List of Rhododendron species
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This List of Rhododendron species includes species of the genus Rhododendron, which is in the plant family Ericaceae. Depending on the source, there are anywhere from 800 to over 1,100 wild species.{{cite book |author=Harold E. Greer |title=Greer's guidebook to available rhododendrons: species & hybrids |url=https://books.google.com/books?id=Up9FAAAAYAAJ |accessdate=8 November 2012 |year=1996 |publisher=Offshoot Publications |isbn=978-0-910013-06-2}}{{cite book |author1=Roger V. Jean |author2=D. Barabé |title=Symmetry in Plants |url=https://books.google.com/books?id=XpVG1UwncogC&pg=PA6 |accessdate=8 November 2012 |year=1998 |publisher=World Scientific |isbn=978-981-02-2621-3 |pages=6–}} The vast majority of Rhododendron species are native to the eastern Himalaya and southeast Tibet, along with the islands of Java, Sumatra, Borneo, New Guinea, and the Philippines. The rest are broadly spread throughout the northern hemisphere in relatively small isolated populations, including Japan, northwestern North America, the Appalachian, and the Caucasus Mountains.{{cite web |url=http://www.rhododendron.org/v47n3p139.htm |title=Concerning the Origin and Distribution of Rhododendrons |last=Irving |first=E. |author2=R. Hebda |year=1993 |work=Journal of the American Rhododendron Society |publisher=American Rhododendron Society |accessdate=4 November 2012}}
Rhododendron has eight traditionally accepted subgenera based on morphology, still the consensus taxonomy used by most authorities: Azaleastrum; Candidastrum; Hymenanthes; Mumeazalea; Pentanthera; Rhododendron; Therorhodion; Tsutsusi.{{cite web |url=http://www.rhododendron.org/taxonomictree.asp |title=Genus Rhododendron Taxonomic Tree |work=American Rhododendron Society |accessdate=4 November 2012}} Hymenanthes, with approximately 225 species, and subgenus Rhododendron, with approx. 400 species, comprise what gardeners typically describe as "Rhododendrons." Two subgenera are generally known to gardeners as "Azaleas", and include many fewer true species: Pentanthera, which comprises the deciduous azaleas, and Tsutsusi, which includes evergreen azaleas.
Modern cladistic analysis, based on nuclear genetics, proposes changes in the classification of species within subgenera. These proposals are based on at least three different studies, with no changes proposed within subgenus Rhododendron and its sections. The major proposed changes are: to make section Choniastrum (originally in subgenus Azaleastrum) a separate Choniastrum subgenus; to combine sections Ponticum, Pentanthera, and the species Rhododendron canadense in subgenus Hymenanthes; subgenus Azaleastrum to include the former subgenera Tsutsusi, Mumeazalea, Candidastrum, and Menziesa, along with former sections Viscidula, Azaleastrum, Sciadorhodion, and the species Rhododendron vaseyi.{{cite journal |last=Goetsch |first=Loretta |author2=Eckert, Andrew J. |author3=Hall, Benjamin D. |date=July–September 2005 |title=The molecular systematics of Rhododendron (Ericaceae): a phylogeny based upon RPB2 gene sequences |journal=Systematic Botany |volume=30 |issue=3 |pages=616–626 |doi=10.1600/0363644054782170 |s2cid=51949019}}
{{As of|2024}} the Plants of the World Online database lists 1091 accepted species and natural hybrids, all of which are listed here.{{cite POWO |id=327085-2 |title=Rhododendron L. |access-date=18 May 2024}}
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{{Linked species list
| Rhododendron aberconwayi | Cowan
| Rhododendron abhayae | L.K.Rai
| Rhododendron abietifolium | Sleumer
| Rhododendron acrophilum | Merr. & Quisumb.
| Rhododendron acuminatum | Hook.f.
| Rhododendron adamsii | Rehder
| Rhododendron adenanthum | M.Y.He
| Rhododendron adenobracteum | X.F.Gao & Y.L.Peng
| Rhododendron adenogynum | Diels
| Rhododendron adenopodum | Franch.
| Rhododendron adenosum | (Cowan & Davidian) Davidian
| Rhododendron adinophyllum | Merr.
| Rhododendron aequabile | J.J.Sm.
| Rhododendron aeruginosum | Hook.f.
| Rhododendron afghanicum | Aitch. & Hemsl.
| Rhododendron aganniphum | Balf.f. & Kingdon-Ward
| Rhododendron × agastum | Balf.f. & W.W.Sm.
| Rhododendron agathodaemonis | J.J.Sm.
| Rhododendron alabamense | Rehder
| Rhododendron albertsenianum | Forrest ex Balf.f.
| Rhododendron albiflorum | Hook.
| Rhododendron alborugosum | Argent & J.Dransf.
| Rhododendron albrechtii | Maxim.
| Rhododendron album | Blume
| Rhododendron alternans | Sleumer
| Rhododendron alticola | Sleumer
| Rhododendron alutaceum | Balf.f. & W.W.Sm.
| Rhododendron amagianum | (Makino) Makino ex H.Hara
| Rhododendron amakusaense | (K.Takada ex T.Yamaz.) T.Yamaz.
| Rhododendron amandum | Cowan
| Rhododendron ambiguum | Hemsl.
| Rhododendron amesiae | Rehder & E.H.Wilson
| Rhododendron × amoenum | (Lindl.) Planch.
| Rhododendron amundsenianum | Hand.-Mazz.
| Rhododendron anagalliflorum | Wernham
| Rhododendron andrineae | Danet
| Rhododendron angiense | J.J.Sm.
| Rhododendron angulatum | J.J.Sm.
| Rhododendron annae | Franch.
| Rhododendron anthopogon | D.Don
| Rhododendron anthopogonoides | Maxim.
| Rhododendron anthosphaerum | Diels
| Rhododendron anwheiense | E.H.Wilson
| Rhododendron aperantum | Balf.f. & Kingdon-Ward
| Rhododendron apiense | Argent
| Rhododendron apoanum | Stein
| Rhododendron apradae | U.Rai & Lama
| Rhododendron araiophyllum | Balf.f. & W.W.Sm.
| Rhododendron arborescens | (Pursh) Torr.
| Rhododendron arboreum | Sm.
| Rhododendron archboldianum | Sleumer
| Rhododendron ardii | Hutabarat, Mambrasar & Mustaqim
| Rhododendron arenicola | Sleumer
| Rhododendron arfakianum | Becc.
| Rhododendron argipeplum | Balf.f. & R.E.Cooper
| Rhododendron argyrophyllum | Franch.
| Rhododendron arizelum | Balf.f. & Forrest
| Rhododendron armitii | F.M.Bailey
| Rhododendron arunachalense | D.F.Chamb. & Rae
| Rhododendron asperrimum | Sleumer
| Rhododendron asperulum | Kingdon-Ward
| Rhododendron asperum | J.J.Sm.
| Rhododendron assamicum | W.Bull
| Rhododendron asterochnoum | Diels
| Rhododendron astrophorum | M.N.Tamayo, Y.P.Ang & A.S.Rob.
| Rhododendron atjehense | Sleumer
| Rhododendron atlanticum | (Ashe) Rehder
| Rhododendron atrichum | Argent
| Rhododendron atropunicum | H.P.Yang
| Rhododendron atropurpureum | Sleumer
| Rhododendron atrovirens | Franch.
| Rhododendron augustinei | Hemsl.
| Rhododendron aureodorsale | (W.P.Fang ex J.Q.Fu) Y.P.Ma & J.Nielsen
| Rhododendron aureum | Georgi
| Rhododendron auriculatum | Hemsl.
| Rhododendron aurigeranum | Sleumer
| Rhododendron auritum | Tagg
| Rhododendron austrinum | (Small) Rehder
| Rhododendron awatosaense | Minamit. & Yonek.
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{{Linked species list
| Rhododendron bachii | H.Lév.
| Rhododendron baconii | Argent, A.Lamb & Phillipps
| Rhododendron baenitzianum | Lauterb.
| Rhododendron bagobonum | H.F.Copel.
| Rhododendron baihuaense | Y.P.Ma
| Rhododendron baileyi | Balf.f.
| Rhododendron bailiense | Y.P.Ma, C.Q.Zhang & D.F.Chamb.
| Rhododendron bainaense | Xiang Chen & C.H.Yang
| Rhododendron bainbridgeanum | Tagg & Forrest
| Rhododendron × bakeri | (W.P.Lemmon & McKay) H.H.Hume
| Rhododendron balangense | W.P.Fang
| Rhododendron balfourianum | Diels
| Rhododendron bamaense | Z.J.Zhao
| Rhododendron banghamiorum | (J.J.Sm.) Sleumer
| Rhododendron barbatum | Wall. ex G.Don
| Rhododendron barkamense | D.F.Chamb.
| Rhododendron basilicum | Balf.f. & W.W.Sm.
| Rhododendron × bathyphyllum | Balf.f. & Forrest
| Rhododendron beanianum | Cowan
| Rhododendron beccarii | Sleumer
| Rhododendron beesianum | Diels
| Rhododendron bellissimum | D.F.Chamb.
| Rhododendron benhallii | Craven
| Rhododendron benomense | Rafidah & A.C.Elliott
| Rhododendron beyerinckianum | Koord.
| Rhododendron bhutanense | D.G.Long & Bowes Lyon
| Rhododendron biappendiculatum | Craven
| Rhododendron bijiangense | T.L.Ming
| Rhododendron bivelatum | Balf.f.
| Rhododendron blackii | Sleumer
| Rhododendron bloembergenii | Sleumer
| Rhododendron boninense | Nakai
| Rhododendron bonvalotii | Franch.
| Rhododendron boothii | Nutt.
| Rhododendron borneense | (J.J.Sm.) Argent, A.Lamb & Phillipps
| Rhododendron brachyantherum | Warb. ex P.Sarasin & Sarasin
| Rhododendron brachyanthum | Franch.
| Rhododendron brachycarpum | D.Don ex G.Don
| Rhododendron brachygynum | H.F.Copel.
| Rhododendron brachypodarium | Sleumer
| Rhododendron brachypodum | W.P.Fang & P.S.Liu
| Rhododendron bracteatum | Rehder & E.H.Wilson
| Rhododendron brassii | Sleumer
| Rhododendron brentelii | Argent
| Rhododendron brevicaudatum | R.C.Fang & S.S.Chang
| Rhododendron brevinerve | Chun & W.P.Fang
| Rhododendron breviperulatum | Hayata
| Rhododendron brevipes | Sleumer
| Rhododendron brevipetiolatum | M.Y.Fang
| Rhododendron bryophilum | Sleumer
| Rhododendron bullifolium | Sleumer
| Rhododendron bulu | Hutch.
| Rhododendron × bungonishikii | Komatsu
| Rhododendron bureavii | Franch.
| Rhododendron bureavioides | Balf.f.
| Rhododendron × burjaticum | Malyschev
| Rhododendron burmanicum | Hutch.
| Rhododendron burttii | P.Woods
| Rhododendron buruense | J.J.Sm.
| Rhododendron buxifolium | H.Low ex Hook.f.
| Rhododendron buxoides | Sleumer
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| Rhododendron caesium | Hutch.
| Rhododendron caespitosum | Sleumer
| Rhododendron calendulaceum | (Michx.) Torr.
| Rhododendron caliginis | Kores
| Rhododendron callimorphum | Balf.f. & W.W.Sm.
| Rhododendron calophytum | Franch.
| Rhododendron calosanthes | Sleumer
| Rhododendron calostrotum | Balf.f. & Kingdon-Ward
| Rhododendron calvescens | Balf.f. & Forrest
| Rhododendron camelliiflorum | Hook.f.
| Rhododendron campanulatum | D.Don
| Rhododendron campylocarpum | Hook.f.
| Rhododendron campylogynum | Franch.
| Rhododendron camtschaticum | Pall.
| Rhododendron canadense | (L.) Torr.
| Rhododendron × candelabrum | Hook.f.
| Rhododendron canescens | (Michx.) Sweet
| Rhododendron capellae | Kores
| Rhododendron capitatum | Maxim.
| Rhododendron carneum | Hutch.
| Rhododendron carrii | Sleumer
| Rhododendron carringtoniae | F.Muell.
| Rhododendron carstensense | Wernham
| Rhododendron catacosmum | Balf.f. ex Tagg
| Rhododendron catawbiense | Michx.
| Rhododendron caucasicum | Pall.
| Rhododendron cavaleriei | H.Lév.
| Rhododendron celebicum | (Blume) DC.
| Rhododendron cephalanthum | Franch.
| Rhododendron cerasinum | Tagg
| Rhododendron cernuum | Sleumer
| Rhododendron chamaethomsonii | (Tagg) Cowan & Davidian
| Rhododendron × chamaezelum | Balf.f. & Forrest
| Rhododendron chamahense | Rafidah
| Rhododendron chamberlainii | Craven
| Rhododendron championiae | Hook.
| Rhododendron changii | (W.P.Fang) W.P.Fang
| Rhododendron chaoanense | T.C.Wu & P.C.Tam
| Rhododendron × charadzeae | A.P.Khokhr. & Mazurenko
| Rhododendron charitopes | Balf.f. & Farrer
| Rhododendron charitostreptum | Balf.f. & Kingdon-Ward
| Rhododendron chevalieri | Dop ex A.Chev.
| Rhododendron chihsinianum | Chun & W.P.Fang
| Rhododendron chilanshanense | Kurash.
| Rhododendron chiliangense | S.S.Ying
| Rhododendron chionanthum | Tagg & Forrest
| Rhododendron christi | F.Först.
| Rhododendron christianiae | Sleumer
| Rhododendron chrysocalyx | H.Lév. & Vaniot
| Rhododendron chrysodoron | Tagg ex Hutch.
| Rhododendron chrysolepis | Hutch. & Kingdon-Ward
| Rhododendron chunienii | Chun & W.P.Fang
| Rhododendron chunii | W.P.Fang
| Rhododendron ciliatum | Hook.f.
| Rhododendron ciliicalyx | Franch.
| Rhododendron ciliilobum | Sleumer
| Rhododendron ciliipes | Hutch.
| Rhododendron cinchoniflorum | Sleumer
| Rhododendron cinerascens | Sleumer
| Rhododendron cinnabarinum | Hook.f.
| Rhododendron circinnatum | Cowan & Kingdon-Ward
| Rhododendron citriniflorum | Balf.f. & Forrest
| Rhododendron citrinum | (Hassk.) Hassk.
| Rhododendron clementinae | Forrest ex W.W.Sm.
| Rhododendron cochlearifolium | Xiang Chen & Jia Y.Huang
| Rhododendron cockburnii | (Argent, A.Lamb & Phillipps) Craven
| Rhododendron codonanthum | Balf.f. & Forrest
| Rhododendron coelicum | Balf.f. & Farrer
| Rhododendron coeloneurum | Diels
| Rhododendron coelorum | Wernham
| Rhododendron colemanii | R.F.Mill.
| Rhododendron collettianum | Aitch. & Hemsl.
| Rhododendron columbianum | (Piper) Harmaja
| Rhododendron comisteum | Balf.f. & Forrest
| Rhododendron commonae | F.Först.
| Rhododendron commutatum | Sleumer
| Rhododendron comparabile | Sleumer
| Rhododendron complexum | Balf.f. & W.W.Sm.
| Rhododendron comptum | C.H.Wright
| Rhododendron concinnoides | Hutch. & Kingdon-Ward
| Rhododendron concinnum | Hemsl.
| Rhododendron coriaceum | Franch.
| Rhododendron × coriifolium | Sleumer
| Rhododendron cornu-bovis | Sleumer
| Rhododendron correoides | J.J.Sm.
| Rhododendron coryanum | Tagg & Forrest
| Rhododendron cowanianum | Davidian
| Rhododendron coxianum | Davidian
| Rhododendron crassifolium | Stapf
| Rhododendron crassimedium | P.C.Tam
| Rhododendron crassistylum | M.Y.He
| Rhododendron crassum | Franch.
| Rhododendron cravenii | Danet
| Rhododendron crenulatum | Hutch. ex Sleumer
| Rhododendron cretaceum | P.C.Tam
| Rhododendron crinigerum | Franch.
| Rhododendron cruttwellii | Sleumer
| Rhododendron cuffeanum | Craib ex Hutch.
| Rhododendron culminicola | F.Muell.
| Rhododendron cumberlandense | E.L.Braun
| Rhododendron cuneatum | W.W.Sm.
| Rhododendron cuneifolium | Stapf
| Rhododendron curviflorum | J.J.Sm.
| Rhododendron cuspidellum | Sleumer
| Rhododendron cyanocarpum | (Franch.) W.W.Sm.
| Rhododendron cyrtophyllum | Wernham
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{{Linked species list
| Rhododendron dachengense | G.Z.Li
| Rhododendron dalhousieae | Hook.f.
| Rhododendron danbaense | L.C.Hu
| Rhododendron dasycladoides | Hand.-Mazz.
| Rhododendron dasypetalum | Balf.f. & Forrest
| Rhododendron datiandingense | Z.J.Feng
| Rhododendron dauricum | L.
| Rhododendron davidii | Franch.
| Rhododendron davidsonianum | Rehder & E.H.Wilson
| Rhododendron × davisianum | R.I.Milne
| Rhododendron dawuense | H.P.Yang
| Rhododendron dayaoshanense | L.M.Gao & D.Z.Li
| Rhododendron dayiense | M.Y.He
| Rhododendron decipiens | Lacaita
| Rhododendron declivatum | Ching & H.P.Yang
| Rhododendron decorum | Franch.
| Rhododendron degronianum | Carrière
| Rhododendron dekatanum | Cowan
| Rhododendron delavayi | Franch.
| Rhododendron delicatulum | Sleumer
| Rhododendron dendricola | Hutch.
| Rhododendron dendrocharis | Franch.
| Rhododendron densifolium | K.M.Feng
| Rhododendron denudatum | H.Lév.
| Rhododendron detersile | Franch.
| Rhododendron × detonsum | Balf.f. & Forrest
| Rhododendron detznerianum | Sleumer
| Rhododendron dianthosmum | Sleumer
| Rhododendron dichroanthum | Diels
| Rhododendron dielsianum | Schltr.
| Rhododendron dignabile | Cowan
| Rhododendron dilatatum | Miq.
| Rhododendron dimitrum | Balf.f. & Forrest
| Rhododendron × diphrocalyx | Balf.f.
| Rhododendron discolor | Franch.
| Rhododendron disterigmoides | Sleumer
| Rhododendron × diversiflorum | Danet
| Rhododendron diversipilosum | (Nakai) Harmaja
| Rhododendron × duclouxii | H.Lév.
| Rhododendron dumicola | Tagg & Forrest
| Rhododendron durionifolium | Becc.
| Rhododendron dutartrei | Danet
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| Rhododendron eastmanii | Kron & Creel
| Rhododendron ebianense | M.Y.Fang
| Rhododendron eclecteum | Balf.f. & Forrest
| Rhododendron edanoi | Merr. & Quisumb.
| Rhododendron × edgarianum | Rehder & E.H.Wilson
| Rhododendron edgeworthii | Hook.f.
| Rhododendron eheinense | M.Y.He & Z.J.Zhao
| Rhododendron elegantulum | Tagg & Forrest
| Rhododendron elliottii | Watt ex Brandis
| Rhododendron emarginatum | Hemsl. & E.H.Wilson
| Rhododendron englerianum | Koord.
| Rhododendron × enomotoi | T.Yamaz.
| Rhododendron × epilosum | (J.J.Sm.) Argent
| Rhododendron erastum | Balf.f. & Forrest
| Rhododendron ericoides | H.Low ex Hook.f.
| Rhododendron eriobotryoides | Xiang Chen & Jia Y.Huang
| Rhododendron eriocarpum | (Hayata) Nakai
| Rhododendron erosipetalum | J.J.Sm.
| Rhododendron erosum | Cowan
| Rhododendron × erythrocalyx | Balf.f. & Forrest
| Rhododendron esetulosum | Balf.f. & Forrest
| Rhododendron euchroum | Balf.f. & Kingdon-Ward
| Rhododendron eudoxum | Balf.f. & Forrest
| Rhododendron eurysiphon | Tagg & Forrest
| Rhododendron evelyneae | Danet
| Rhododendron exasperatum | Tagg
| Rhododendron excelsum | A.Chev.
| Rhododendron extrorsum | J.J.Sm.
| Rhododendron exuberans | (Sleumer) Argent
| Rhododendron eymae | Sleumer
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{{Linked species list
| Rhododendron faberi | Hemsl.
| Rhododendron facetum | Balf.f. & Kingdon-Ward
| Rhododendron faithiae | Chun
| Rhododendron falconeri | Hook.f.
| Rhododendron fallacinum | Sleumer
| Rhododendron fangchengense | P.C.Tam
| Rhododendron farinosum | H.Lév.
| Rhododendron farrerae | Sweet
| Rhododendron fastigiatum | Franch.
| Rhododendron faucium | D.F.Chamb.
| Rhododendron feddei | H.Lév.
| Rhododendron ferrugineum | L.
| Rhododendron fictolacteum | Balf.f.
| Rhododendron × filidactylis | R.I.Milne
| Rhododendron × fittianum | Balf.f.
| Rhododendron flammeum | (Michx.) Sarg.
| Rhododendron flavantherum | Hutch. & Kingdon-Ward
| Rhododendron flavidum | Franch.
| Rhododendron flavoflorum | T.L.Ming
| Rhododendron flavoviride | J.J.Sm.
| Rhododendron fletcherianum | Davidian
| Rhododendron fleuryi | Dop ex A.Chev.
| Rhododendron floccigerum | Franch.
| Rhododendron floribundum | Franch.
| Rhododendron flosculum | W.P.Fang & G.Z.Li
| Rhododendron flumineum | W.P.Fang & M.Y.He
| Rhododendron formosanum | Hemsl.
| Rhododendron formosum | Wall.
| Rhododendron forrestii | Balf.f. ex Diels
| Rhododendron fortunans | J.J.Sm.
| Rhododendron fortunei | Lindl.
| Rhododendron fragariiflorum | Kingdon-Ward
| Rhododendron frey-wysslingii | J.J.Sm.
| Rhododendron × fuchsii | Sleumer
| Rhododendron fuchsiifolium | H.Lév.
| Rhododendron fulgens | Hook.f.
| Rhododendron fulvum | Balf.f. & W.W.Sm.
| Rhododendron fuscipilum | M.Y.He
| Rhododendron fuyuanense | Z.H.Yang
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{{Linked species list
| Rhododendron galactinum | Balf.f. ex Tagg
| Rhododendron gannanense | Z.C.Feng & X.G.Sun
| Rhododendron gardenia | Schltr.
| Rhododendron gaultheriifolium | J.J.Sm.
| Rhododendron genestierianum | Forrest
| Rhododendron × geraldii | (Hutch.) Ivens
| Rhododendron gideonii | Argent
| Rhododendron × gilliardii | Sleumer
| Rhododendron giulianettii | Lauterb.
| Rhododendron glabrifilum | J.J.Sm.
| Rhododendron glabriflorum | J.J.Sm.
| Rhododendron × gladwynense | M.G.Henry
| Rhododendron glanduliferum | Franch.
| Rhododendron glandulosum | (Standl. ex Small) Millais
| Rhododendron glaucophyllum | Rehder
| Rhododendron glischroides | Tagg & Forrest
| Rhododendron glischrum | Balf.f. & W.W.Sm.
| Rhododendron gologense | C.J.Xu & Z.J.Zhao
| Rhododendron gonggashanense | W.K.Hu
| Rhododendron gongshanense | T.L.Ming
| Rhododendron goodenoughii | Sleumer
| Rhododendron goyozanense | (M.Kikuchi) Craven
| Rhododendron gracilentum | F.Muell.
| Rhododendron grande | Wight
| Rhododendron griersonianum | Balf.f. & Forrest
| Rhododendron griffithianum | Wight
| Rhododendron groenlandicum | (Oeder) Kron & Judd
| Rhododendron guangnanense | R.C.Fang
| Rhododendron guihainianum | G.Z.Li
| Rhododendron guizhongense | G.Z.Li
| Rhododendron guizhouense | M.Y.Fang
| Rhododendron gumineense | Craven
}}
{{div col end}}
H
File:Rhododendron hippophaeoides var. hippophaeoides.(4x3).jpg]]
File:Rhododendron hyperythrum - San Francisco Botanical Garden - DSC09958.JPG]]
{{div col|colwidth=24em}}
{{Linked species list
| Rhododendron habbemae | Koord.
| Rhododendron habrotrichum | Balf.f. & W.W.Sm.
| Rhododendron haematodes | Franch.
| Rhododendron haematophthalmum | Sleumer
| Rhododendron hainanense | Merr.
| Rhododendron hameliiflorum | Wernham
| Rhododendron hanceanum | Hemsl.
| Rhododendron hancockii | Hemsl.
| Rhododendron hangzhouense | W.P.Fang & M.Y.He
| Rhododendron haofui | Chun & W.P.Fang
| Rhododendron hartleyi | Sleumer
| Rhododendron × hasegawae | S.Watan.
| Rhododendron hatamense | Becc.
| Rhododendron heatherae | Rushforth
| Rhododendron heizhugouense | M.Y.He & L.C.Hu
| Rhododendron heliolepis | Franch.
| Rhododendron hellwigii | Warb.
| Rhododendron helodes | Sleumer
| Rhododendron × hemigymnum | (Tagg & Forrest) D.F.Chamb.
| Rhododendron hemitrichotum | Balf.f. & Forrest
| Rhododendron hemsleyanum | E.H.Wilson
| Rhododendron henanense | W.P.Fang
| Rhododendron henryi | Hance
| Rhododendron herzogii | Warb.
| Rhododendron heteroclitum | H.P.Yang
| Rhododendron heterolepis | Danet
| Rhododendron × hidaense | Makino ex H.Hara
| Rhododendron hidakanum | H.Hara
| Rhododendron himantodes | Sleumer
| Rhododendron hippophaeoides | Balf.f. & W.W.Sm.
| Rhododendron hirsutipetiolatum | R.C.Fang & A.L.Zhang
| Rhododendron hirsutum | L.
| Rhododendron hirtipes | Tagg
| Rhododendron hirtolepidotum | J.J.Sm.
| Rhododendron hodgsonii | Hook.f.
| Rhododendron hoi | W.P.Fang
| Rhododendron hongkongense | Hutch.
| Rhododendron hooglandii | Sleumer
| Rhododendron hookeri | Nutt.
| Rhododendron horlickianum | Davidian
| Rhododendron huadingense | B.Y.Ding & Y.Y.Fang
| Rhododendron huangpingense | Xiang Chen & Jia Y.Huang
| Rhododendron huanshanense | S.S.Ying
| Rhododendron huanum | W.P.Fang
| Rhododendron huguangense | P.C.Tam
| Rhododendron huidongense | T.L.Ming
| Rhododendron hunanense | Chun ex P.C.Tam
| Rhododendron hunnewellianum | Rehder & E.H.Wilson
| Rhododendron × hunsteinii | Argent
| Rhododendron hyacinthosmum | Sleumer
| Rhododendron hylaeum | Balf.f. & Farrer
| Rhododendron hyperythrum | Hayata
| Rhododendron hypoglaucum | Hemsl.
| Rhododendron hypoleucophyllum | Makino
| Rhododendron hypoleucum | (Kom.) Harmaja
| Rhododendron hyugaense | (T.Yamaz.) T.Yamaz.
}}
{{div col end}}
I
File:Rhododendron impeditum - University of Copenhagen Botanical Garden - DSC07498.JPG]]
{{div col|colwidth=24em}}
{{Linked species list
| Rhododendron igneum | Cowan
| Rhododendron impeditum | Balf.f. & W.W.Sm.
| Rhododendron impositum | J.J.Sm.
| Rhododendron impressopunctatum | J.J.Sm.
| Rhododendron inaequale | (C.B.Clarke) Hutch.
| Rhododendron incommodum | Sleumer
| Rhododendron inconspicuum | J.J.Sm.
| Rhododendron indicum | (L.) Sweet
| Rhododendron × inopinum | Balf.f. ex Tagg
| Rhododendron insculptum | Kingdon-Ward
| Rhododendron insigne | Hemsl. & E.H.Wilson
| Rhododendron × intermedium | Tausch
| Rhododendron intranervatum | Sleumer
| Rhododendron intricatum | Franch.
| Rhododendron invictum | Balf.f. & Farrer
| Rhododendron irroratum | Franch.
}}
{{div col end}}
J
{{div col|colwidth=24em}}
{{Linked species list
| Rhododendron japonicum | (A.Gray) Suringar
| Rhododendron japonoheptamerum | Kitam.
| Rhododendron jasminiflorum | Hook.
| Rhododendron jasminoides | M.Y.He
| Rhododendron javanicum | (Blume) Benn.
| Rhododendron jiewhoei | Argent
| Rhododendron jinboense | Xiang Chen & X.Chen
| Rhododendron jinchangense | Z.H.Yang
| Rhododendron jingangshanicum | P.C.Tam
| Rhododendron jinpingense | W.P.Fang & M.Y.He
| Rhododendron jinxiuense | W.P.Fang & M.Y.He
| Rhododendron jiulongshanense | Xiang Chen & Jia Y.Huang
| Rhododendron johnstoneanum | (Brandis) Watt ex Hutch.
| Rhododendron joniense | Ching & H.P.Yang
}}
{{div col end}}
K
{{div col|colwidth=24em}}
{{Linked species list
| Rhododendron kaempferi | Planch.
| Rhododendron × kamatae | (Mochizuki) Craven
| Rhododendron kanehirae | E.H.Wilson
| Rhododendron kansuense | Millais
| Rhododendron kasoense | Hutch. & Kingdon-Ward
| Rhododendron katsumatae | (M.Tash. & H.Hatta) Craven
| Rhododendron kawakamii | Hayata
| Rhododendron × kawir | Danet
| Rhododendron × keditii | Sleumer
| Rhododendron keiskei | Miq.
| Rhododendron keleticum | Balf.f. & Forrest
| Rhododendron kemulense | J.J.Sm.
| Rhododendron kendrickii | Nutt.
| Rhododendron kerowagiense | Argent
| Rhododendron kesangiae | D.G.Long & Rushforth
| Rhododendron keysii | Nutt.
| Rhododendron kiangsiense | W.P.Fang
| Rhododendron kingianum | Watt
| Rhododendron × kisoanum | Okuhara ex T.Shimizu
| Rhododendron kiusianum | Makino
| Rhododendron kiyosumense | (Makino) Makino
| Rhododendron klossii | Ridl.
| Rhododendron kochii | Stein
| Rhododendron kogo | Danet
| Rhododendron × komatsui | T.Yamaz.
| Rhododendron komiyamae | Makino
| Rhododendron kongboense | Kingdon-Ward ex Hutch.
| Rhododendron konori | Becc.
| Rhododendron korthalsii | Miq.
| Rhododendron kotschyi | Simonk.
| Rhododendron × koudzumontanum | Hid.Takah. & Katsuy.
| Rhododendron kroniae | Craven
| Rhododendron kuomeianum | Yu H.Chang, J.Nielsen & Y.P.Ma
| Rhododendron × kuratanum | S.Watan.
| Rhododendron × kurohimense | Arakawa
| Rhododendron kwangsiense | Hu ex P.C.Tam
| Rhododendron kwangtungense | Merr. & Chun
| Rhododendron kyawii | Lace & W.W.Sm.
| Rhododendron kyushuense | Minamit.
}}
{{div col end}}
L
File:Rhododendron luteum (flower2).jpg]]
{{div col|colwidth=24em}}
{{Linked species list
| Rhododendron labolengense | Ching & H.P.Yang
| Rhododendron lacteum | Franch.
| Rhododendron laetum | J.J.Sm.
| Rhododendron lagopus | Nakai
| Rhododendron lagunculicarpum | J.J.Sm.
| Rhododendron lambianum | Argent
| Rhododendron lamii | J.J.Sm.
| Rhododendron lampongum | Miq.
| Rhododendron lamrialianum | Argent & T.J.Barkman
| Rhododendron lanatoides | D.F.Chamb.
| Rhododendron lanatum | Hook.f.
| Rhododendron lanceolatum | Ridl.
| Rhododendron langbianense | A.Chev. ex Dop
| Rhododendron lanigerum | Tagg
| Rhododendron laojunense | T.L.Ming
| Rhododendron laojunshanense | M.Y.Fang
| Rhododendron lapponicum | (L.) Wahlenb.
| Rhododendron lasiostylum | Hayata
| Rhododendron lateriflorum | R.C.Fang & A.L.Zhang
| Rhododendron latoucheae | Franch.
| Rhododendron laudandum | Cowan
| Rhododendron leigongshanense | C.H.Yang, Z.G.Xie, Y.F.Yu & Z.R.Yang
| Rhododendron leishanicum | W.P.Fang & X.S.Zhang
| Rhododendron lepidostylum | Balf.f. & Forrest
| Rhododendron lepidotum | Wall. ex G.Don
| Rhododendron leptanthum | F.Muell.
| Rhododendron leptobrachion | Sleumer
| Rhododendron leptocarpum | Nutt.
| Rhododendron leptomorphum | Sleumer
| Rhododendron leptopeplum | Balf.f. & Forrest
| Rhododendron leptothrium | Balf.f. & Forrest
| Rhododendron leucaspis | Tagg
| Rhododendron leucogigas | Sleumer
| Rhododendron levinei | Merr.
| Rhododendron leytense | Merr.
| Rhododendron liangshanicum | Z.J.Zhao
| Rhododendron liaoxigense | S.L.Tung & Z.Lu
| Rhododendron liboense | Zheng R.Chen & K.M.Lan
| Rhododendron × liewianum | Argent, A.Lamb & Phillipps
| Rhododendron lilacinum | Xiang Chen & X.Chen
| Rhododendron liliiflorum | H.Lév.
| Rhododendron lindaueanum | Koord.
| Rhododendron lindleyi | T.Moore
| Rhododendron lineare | Merr.
| Rhododendron linearilobum | R.C.Fang & A.L.Chang
| Rhododendron linguiense | G.Z.Li
| Rhododendron litchiifolium | T.C.Wu & P.C.Tam
| Rhododendron loboense | H.F.Copel.
| Rhododendron lochiae | F.Muell.
| Rhododendron × lochmium | Balf.f.
| Rhododendron loerzingii | J.J.Sm.
| Rhododendron lohitense | D.Bhattach.
| Rhododendron lompohense | J.J.Sm.
| Rhododendron longesquamatum | C.K.Schneid.
| Rhododendron longicalyx | M.Y.Fang
| Rhododendron longifalcatum | P.C.Tam
| Rhododendron longiflorum | Lindl.
| Rhododendron longilobum | L.M.Gao & D.Z.Li
| Rhododendron longipedicellatum | Lei Cai & Y.P.Ma
| Rhododendron longiperulatum | Hayata
| Rhododendron longipes | Rehder & E.H.Wilson
| Rhododendron longistylum | Rehder & E.H.Wilson
| Rhododendron loniceriflorum | P.C.Tam
| Rhododendron loranthiflorum | Sleumer
| Rhododendron lowii | Hook.f.
| Rhododendron lowndesii | Davidian
| Rhododendron luciferum | (Cowan) Cowan
| Rhododendron ludlowii | Cowan
| Rhododendron luhuoense | H.P.Yang
| Rhododendron lukiangense | Franch.
| Rhododendron lulangense | L.C.Hu & Tateishi
| Rhododendron lungchiense | W.P.Fang
| Rhododendron luraluense | Sleumer
| Rhododendron luteiflorum | (Davidian) Cullen
| Rhododendron lutescens | Franch.
| Rhododendron luteum | Sweet
}}
{{div col end}}
M
File:Rhododendron maximum.jpg]]
File:Rhododendron moulmainense 3.jpg]]
{{div col|colwidth=24em}}
{{Linked species list
| Rhododendron macabeanum | G.Watt ex Balf.f.
| Rhododendron macgregoriae | F.Muell.
| Rhododendron mackenzianum | Forrest
| Rhododendron macrophyllum | D.Don ex G.Don
| Rhododendron macrosiphon | Sleumer
| Rhododendron maculiferum | Franch.
| Rhododendron maddenii | Hook.f.
| Rhododendron madulidii | Argent
| Rhododendron magnificum | Kingdon-Ward
| Rhododendron magniflorum | W.K.Hu
| Rhododendron mainlingense | S.H.Huang & R.C.Fang
| Rhododendron majus | (J.J.Sm.) Sleumer
| Rhododendron makinoi | Tagg ex Nakai
| Rhododendron malayanum | Jack
| Rhododendron malipoense | M.Y.He
| Rhododendron mallotum | Balf.f. & Kingdon-Ward
| Rhododendron maoerense | W.P.Fang & G.Z.Li
| Rhododendron maowenense | Ching & H.P.Yang
| Rhododendron mariae | Hance
| Rhododendron mariesii | Hemsl. & E.H.Wilson
| Rhododendron martinianum | Balf.f. & Forrest
| Rhododendron maximum | L.
| Rhododendron maxiongense | C.Q.Zhang & D.Paterson
| Rhododendron maxwellii | Gibbs
| Rhododendron mayebarae | Nakai & H.Hara
| Rhododendron meagae | Mambrasar & Hutabarat
| Rhododendron mechukae | A.A.Mao & A.Paul
| Rhododendron meddianum | Forrest
| Rhododendron medoense | W.P.Fang & M.Y.He
| Rhododendron megacalyx | Balf.f. & Kingdon-Ward
| Rhododendron megalanthum | M.Y.Fang
| Rhododendron megeratum | Balf.f. & Forrest
| Rhododendron meijeri | Argent, A.Lamb & Phillipps
| Rhododendron mekongense | Franch.
| Rhododendron melantherum | Schltr.
| Rhododendron meliphagidum | J.J.Sm.
| Rhododendron mendumiae | Argent
| Rhododendron mengtszense | Balf.f. & W.W.Sm.
| Rhododendron menziesii | Craven
| Rhododendron meridionale | P.C.Tam
| Rhododendron mianningense | Z.J.Zhao
| Rhododendron micranthum | Turcz.
| Rhododendron microcarpum | R.L.Liu & L.M.Gao
| Rhododendron microgynum | Balf.f. & Forrest
| Rhododendron micromalayanum | Sleumer
| Rhododendron microphyton | Franch.
| Rhododendron milleri | Argent
| Rhododendron mimetes | Tagg & Forrest
| Rhododendron mindanaense | Merr.
| Rhododendron mingii | Y.P.Ma, L.M.Gao & E.D.Liu
| Rhododendron miniatum | Cowan
| Rhododendron minimifolium | Wernham
| Rhododendron minus | Michx.
| Rhododendron minutiflorum | Hu
| Rhododendron minyaense | M.N.Philipson & Philipson
| Rhododendron mitriforme | P.C.Tam
| Rhododendron miyiense | W.K.Hu
| Rhododendron × mizumotoi | S.Watan.
| Rhododendron mogeanum | Argent
| Rhododendron molle | (Blume) G.Don
| Rhododendron mollianum | Koord.
| Rhododendron mollicomum | Balf.f. & W.W.Sm.
| Rhododendron monanthum | Balf.f. & W.W.Sm.
| Rhododendron monkoboense | Argent
| Rhododendron monodii | (H.J.Lam) Argent
| Rhododendron montiganum | T.L.Ming
| Rhododendron montroseanum | Davidian
| Rhododendron morii | Hayata
| Rhododendron moulmainense | Hook.
| Rhododendron moupinense | Franch.
| Rhododendron mucronatum | (Blume) G.Don
| Rhododendron mucronulatum | Turcz.
| Rhododendron multicolor | Miq.
| Rhododendron multiflorum | (Maxim.) Craven
| Rhododendron multinervium | Sleumer
| Rhododendron muscicola | J.J.Sm.
| Rhododendron muscipulum | Danet
| Rhododendron myrsinifolium | Ching ex W.P.Fang & M.Y.He
| Rhododendron myrsinites | Sleumer
}}
{{div col end}}
N
{{div col|colwidth=24em}}
{{Linked species list
| Rhododendron naamkwanense | Merr.
| Rhododendron nakaharae | Hayata
| Rhododendron nakotiltum | Balf.f. & Forrest
| Rhododendron nanjianense | K.M.Feng & Z.H.Yang
| Rhododendron nanophyton | Sleumer
| Rhododendron nanpingense | P.C.Tam
| Rhododendron nantouense | S.S.Ying
| Rhododendron natalicium | Sleumer
| Rhododendron nayarii | G.D.Pal
| Rhododendron × nebulicola | Danet
| Rhododendron neobritannicum | Sleumer
| Rhododendron neriiflorum | Franch.
| Rhododendron neriifolium | Schltr.
| Rhododendron nervulosum | Sleumer
| Rhododendron ngawchangense | M.N.Philipson & Philipson
| Rhododendron nhatrangense | Dop
| Rhododendron nieuwenhuisii | J.J.Sm.
| Rhododendron nigroglandulosum | Nitz.
| Rhododendron × niko-montanum | (Komatsu) Nakai
| Rhododendron nipponicum | Matsum.
| Rhododendron nitidulum | Rehder & E.H.Wilson
| Rhododendron nivale | Hook.f.
| Rhododendron niveoflorum | Argent
| Rhododendron niveum | Hook.f.
| Rhododendron noriakianum | T.Suzuki
| Rhododendron nortoniae | Merr.
| Rhododendron nubicola | Wernham
| Rhododendron nudipes | Nakai
| Rhododendron nummatum | J.J.Sm.
| Rhododendron nuttallii | T.J.Booth ex Nutt.
| Rhododendron nyingchiense | R.C.Fang & S.H.Huang
| Rhododendron nymphaeoides | W.K.Hu
}}
{{div col end}}
O
File:Rhododendron occidentale Strybing.jpg]]
{{div col|colwidth=24em}}
{{Linked species list
| Rhododendron oblancifolium | M.Y.Fang
| Rhododendron occidentale | (Torr. & A.Gray) A.Gray
| Rhododendron ochraceum | Rehder & E.H.Wilson
| Rhododendron octandrum | M.Y.He
| Rhododendron oldhamii | Maxim.
| Rhododendron oliganthum | Sleumer
| Rhododendron oligocarpum | W.P.Fang & X.S.Zhang
| Rhododendron × ootrichum | (Sleumer) Argent
| Rhododendron opulentum | Sleumer
| Rhododendron orbiculare | Decne.
| Rhododendron orbiculatum | Ridl.
| Rhododendron oreadum | Wernham
| Rhododendron oreites | Sleumer
| Rhododendron oreodoxa | Franch.
| Rhododendron oreogenum | L.C.Hu
| Rhododendron oreotrephes | W.W.Sm.
| Rhododendron orthocladum | Balf.f. & Forrest
| Rhododendron osuzuyamense | T.Yamaz.
| Rhododendron ovatum | (Lindl.) Planch. ex Maxim.
| Rhododendron oxycoccoides | Sleumer
}}
{{div col end}}
P
File:Rhododendron periclymenoides, Kentucky.jpg]]
{{div col|colwidth=24em}}
{{Linked species list
| Rhododendron pachycarpon | Sleumer
| Rhododendron pachyphyllum | W.P.Fang
| Rhododendron pachypodum | Balf.f. & W.W.Sm.
| Rhododendron pachysanthum | Hayata
| Rhododendron pachystigma | Sleumer
| Rhododendron pachytrichum | Franch.
| Rhododendron × pallescens | Hutch.
| Rhododendron papillatum | Balf.f. & R.E.Cooper
| Rhododendron papuanum | Becc.
| Rhododendron × paradoxum | Balf.f. ex Tagg
| Rhododendron parishii | C.B.Clarke
| Rhododendron parmulatum | Cowan
| Rhododendron parryae | Hutch.
| Rhododendron parvifolium | Adams
| Rhododendron parvulum | Sleumer
| Rhododendron pauciflorum | King & Gamble
| Rhododendron pemakoense | Kingdon-Ward
| Rhododendron pendulum | Hook.f.
| Rhododendron pennivenium | Balf.f. & Forrest
| Rhododendron × pennsylvanicum | (B.E.Harkn.) Rehder
| Rhododendron pentandrum | (Maxim.) Craven
| Rhododendron pentaphyllum | Maxim.
| Rhododendron perakense | King & Gamble
| Rhododendron × peregrinum | Tagg
| Rhododendron periclymenoides | (Michx.) Shinners
| Rhododendron perplexum | Sleumer
| Rhododendron petrocharis | Diels
| Rhododendron phaeochiton | F.Muell.
| Rhododendron phaeochristum | Sleumer
| Rhododendron phaeochrysum | Balf.f. & W.W.Sm.
| Rhododendron phaeops | Sleumer
| Rhododendron piercei | Davidian
| Rhododendron pilostylum | W.K.Hu
| Rhododendron pilosum | (Michx. ex Lam.) Craven
| Rhododendron pinetorum | P.C.Tam
| Rhododendron pingbianense | M.Y.Fang
| Rhododendron pingianum | W.P.Fang
| Rhododendron × planecostatum | Sleumer
| Rhododendron × planetum | Balf.f.
| Rhododendron platyphyllum | (Franch. ex Diels) Balf.f. & W.W.Sm.
| Rhododendron platypodum | Diels
| Rhododendron pleianthum | Sleumer
| Rhododendron pleistanthum | E.H.Wilson
| Rhododendron pocophorum | Balf.f. ex Tagg
| Rhododendron pogonophyllum | Cowan & Davidian
| Rhododendron poilanei | Dop
| Rhododendron poluninii | Davidian
| Rhododendron polyanthemum | Sleumer
| Rhododendron polycladum | Franch.
| Rhododendron polylepis | Franch.
| Rhododendron polytrichum | W.P.Fang
| Rhododendron pomense | Cowan & Davidian
| Rhododendron ponticum | L.
| Rhododendron populare | Cowan
| Rhododendron poremense | J.J.Sm.
| Rhododendron porphyranthes | Sleumer
| Rhododendron potaninii | Batalin
| Rhododendron praestans | Balf.f. & W.W.Sm.
| Rhododendron praeteritum | Hutch.
| Rhododendron praetervisum | Sleumer
| Rhododendron praevernum | Hutch.
| Rhododendron prainianum | Koord.
| Rhododendron prattii | Franch.
| Rhododendron preptum | Balf.f. & Forrest
| Rhododendron primuliflorum | Bureau & Franch.
| Rhododendron principis | Bureau & Franch.
| Rhododendron prinophyllum | (Small) Millais
| Rhododendron proliferum | Sleumer
| Rhododendron pronum | Tagg & Forrest
| Rhododendron protandrum | Sleumer
| Rhododendron proteoides | Balf.f. & W.W.Sm.
| Rhododendron protistum | Balf.f. & Forrest
| Rhododendron pruniflorum | Hutch. & Kingdon-Ward
| Rhododendron prunifolium | (Small) Millais
| Rhododendron przewalskii | Maxim.
| Rhododendron × psammogenes | Sleumer
| Rhododendron pseudobuxifolium | Sleumer
| Rhododendron pseudochrysanthum | Hayata
| Rhododendron pseudociliipes | Cullen
| Rhododendron pseudomaddenii | A.A.Mao & Bhaumik
| Rhododendron pseudotrichanthum | Sleumer
| Rhododendron psilanthum | Sleumer
| Rhododendron pubescens | Balf.f. & Forrest
| Rhododendron pubicostatum | T.L.Ming
| Rhododendron pubigermen | J.J.Sm.
| Rhododendron pudiense | Xiang Chen & Jia Y.Huang
| Rhododendron pudingense | X.Y.Dai, C.H.Yang & Y.P.Ma
| Rhododendron pudorinum | Sleumer
| Rhododendron pudorosum | Cowan
| Rhododendron pugeense | L.C.Hu
| Rhododendron pulchroides | Chun & W.P.Fang
| Rhododendron × pulchrum | Sweet
| Rhododendron pulleanum | Koord.
| Rhododendron pumilum | Hook.f.
| Rhododendron punctifolium | L.C.Hu
| Rhododendron purdomii | Rehder & E.H.Wilson
| Rhododendron purpureiflorum | J.J.Sm.
| Rhododendron pusillum | J.J.Sm.
| Rhododendron × pyrrhoanthum | Balf.f.
| Rhododendron pyrrhophorum | Sleumer
}}
{{div col end}}
Q
{{div col|colwidth=24em}}
{{Linked species list
| Rhododendron qianyangense | M.Y.He
| Rhododendron qiaojiaense | L.M.Gao & D.Z.Li
| Rhododendron qinghaiense | Ching ex W.Y.Wang
| Rhododendron quadrasianum | S.Vidal
| Rhododendron quinquefolium | Bisset & S.Moore
}}
{{div col end}}
R
{{div col|colwidth=24em}}
{{Linked species list
| Rhododendron racemosum | Franch.
| Rhododendron radendum | W.P.Fang
| Rhododendron radians | J.J.Sm.
| Rhododendron ramipilosum | T.L.Ming
| Rhododendron ramsdenianum | Cowan
| Rhododendron rappardii | Sleumer
| Rhododendron rarilepidotum | J.J.Sm.
| Rhododendron rarum | Schltr.
| Rhododendron rawatii | I.D.Rai & B.S.Adhikari
| Rhododendron recurvoides | Tagg & Kingdon-Ward
| Rhododendron redowskianum | Maxim.
| Rhododendron renschianum | Sleumer
| Rhododendron reticulatum | D.Don ex G.Don
| Rhododendron retivenium | Sleumer
| Rhododendron retrorsipilum | Sleumer
| Rhododendron retusum | (Blume) Benn.
| Rhododendron revolutum | Sleumer
| Rhododendron rex | H.Lév.
| Rhododendron reynosoi | Argent
| Rhododendron rhodanthum | M.Y.He
| Rhododendron rhodochroum | Sleumer
| Rhododendron rhodoleucum | Sleumer
| Rhododendron rhodosalpinx | Sleumer
| Rhododendron rhodostomum | Sleumer
| Rhododendron rhombifolium | R.C.Fang
| Rhododendron rhuyuenense | Chun ex P.C.Tam
| Rhododendron rigidum | Franch.
| Rhododendron rimicola | X.L.Tian, Y.P.Ma & J.Nielsen
| Rhododendron riparioides | (Cullen) Cubey
| Rhododendron ripense | Makino
| Rhododendron ripleyi | Merr.
| Rhododendron ririei | Hemsl. & E.H.Wilson
| Rhododendron rivulare | Hand.-Mazz.
| Rhododendron robinsonii | Ridl.
| Rhododendron roseatum | Hutch.
| Rhododendron roseiflorum | P.F.Stevens
| Rhododendron rosendahlii | Sleumer
| Rhododendron rothschildii | Davidian
| Rhododendron rousei | Argent & Madulid
| Rhododendron roxieanum | Forrest ex W.W.Sm.
| Rhododendron roxieoides | D.F.Chamb.
| Rhododendron rubellum | Sleumer
| Rhododendron rubiginosum | Franch.
| Rhododendron rubineiflorum | Craven
| Rhododendron rubrantherum | Kingdon-Ward
| Rhododendron rubrobracteatum | Sleumer
| Rhododendron rubropilosum | Hayata
| Rhododendron rufescens | Franch.
| Rhododendron rufohirtum | Hand.-Mazz.
| Rhododendron rufum | Batalin
| Rhododendron rugosum | H.Low ex Hook.f.
| Rhododendron rupicola | W.W.Sm.
| Rhododendron rupivalleculatum | P.C.Tam
| Rhododendron rushforthii | Argent & D.F.Chamb.
| Rhododendron russatum | Balf.f. & Forrest
| Rhododendron ruttenii | J.J.Sm.
}}
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File:Rhododendron schlippenbachii.jpg]]
File:Rhododendron spinuliferum -1.jpg]]
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{{Linked species list
| Rhododendron sajanense | Stepanov
| Rhododendron salicifolium | Becc.
| Rhododendron saluenense | Franch.
| Rhododendron sanctum | Nakai
| Rhododendron sanguineum | Franch.
| Rhododendron santapaui | Sastry, S.K.Kataki, Peter Cox, Patricia Cox & P.Hutchison
| Rhododendron × sarcodes | Argent & Madulid
| Rhododendron sargentianum | Rehder & E.H.Wilson
| Rhododendron × satsumense | Hatus.
| Rhododendron saxatile | B.Y.Ding & Y.Y.Fang
| Rhododendron saxicola | Sleumer
| Rhododendron saxifragoides | J.J.Sm.
| Rhododendron sayeri | Sleumer
| Rhododendron scabridibracteum | Sleumer
| Rhododendron scabrifolium | Franch.
| Rhododendron scabrum | G.Don
| Rhododendron scarlatinum | Sleumer
| Rhododendron schistocalyx | Balf.f. & Forrest
| Rhododendron schizostigma | Sleumer
| Rhododendron schlechteri | Lauterb.
| Rhododendron schlippenbachii | Maxim.
| Rhododendron × schoddei | Sleumer
| Rhododendron scopulorum | Hutch.
| Rhododendron scopulum | (G.Z.Li) G.Z.Li
| Rhododendron scortechinii | King & Gamble
| Rhododendron searleanum | Sleumer
| Rhododendron searsiae | Rehder & E.H.Wilson
| Rhododendron seimundii | J.J.Sm.
| Rhododendron seinghkuense | Kingdon-Ward
| Rhododendron × sekimori | Komatsu
| Rhododendron selense | Franch.
| Rhododendron semibarbatum | Maxim.
| Rhododendron semnoides | Tagg & Forrest
| Rhododendron seniavinii | Maxim.
| Rhododendron seranicum | J.J.Sm.
| Rhododendron serotinum | Hutch.
| Rhododendron serpyllifolium | (A.Gray) Miq.
| Rhododendron serrulatum | (Small) Millais
| Rhododendron sessilifolium | J.J.Sm.
| Rhododendron setiferum | Balf.f. & Forrest
| Rhododendron setosum | D.Don
| Rhododendron shanii | W.P.Fang
| Rhododendron shaoakouense | S.S.Ying
| Rhododendron × sheilae | Sleumer
| Rhododendron sherriffii | Cowan
| Rhododendron shimenense | Q.X.Liu & C.M.Zhang
| Rhododendron shimianense | W.P.Fang & P.S.Liu
| Rhododendron shingbae | C.S.Purohit & Ram.Kumar
| Rhododendron shweliense | Balf.f. & Forrest
| Rhododendron sichotense | Pojark.
| Rhododendron sidereum | Balf.f.
| Rhododendron siderophyllum | Franch.
| Rhododendron sikangense | W.P.Fang
| Rhododendron sikayotaizanense | Masam.
| Rhododendron × silvicola | (Sleumer) Argent, A.Lamb, Phillipps & Collen.
| Rhododendron simiarum | Hance
| Rhododendron simsii | Planch.
| Rhododendron simulans | J.J.Sm. ex Sleumer
| Rhododendron sinofalconeri | Balf.f.
| Rhododendron sinogrande | Balf.f. & W.W.Sm.
| Rhododendron × sinosimulans | D.F.Chamb.
| Rhododendron siobriense | Argent
| Rhododendron smirnowii | Trautv. ex Regel
| Rhododendron smokianum | Ralf Bauer & Albach
| Rhododendron × sochadzeae | Kharadze & Davlian.
| Rhododendron sohayakiense | Y.Watan. & T.Yukawa
| Rhododendron sojolense | Argent
| Rhododendron solitarium | Sleumer
| Rhododendron sophistarum | Craven
| Rhododendron sororium | Sleumer
| Rhododendron souliei | Franch.
| Rhododendron spanotrichum | Balf.f. & W.W.Sm.
| Rhododendron sparsifolium | W.P.Fang
| Rhododendron spathulatum | Ridl.
| Rhododendron sperabile | Balf.f. & Farrer
| Rhododendron sperabiloides | Tagg & Forrest
| Rhododendron sphaeroblastum | Balf.f. & Forrest
| Rhododendron spiciferum | Franch.
| Rhododendron spilotum | Balf.f. & Farrer
| Rhododendron spinuliferum | Franch.
| Rhododendron spondylophyllum | F.Muell.
| Rhododendron stamineum | Franch.
| Rhododendron stanleyi | S.James & Argent
| Rhododendron stapfianum | Hemsl. ex Prain
| Rhododendron starlingii | Rushforth & N.T.T.Huong
| Rhododendron stelligerum | Sleumer
| Rhododendron stenopetalum | (R.Hogg) Mabb.
| Rhododendron stenophyllum | Hook.f. ex Stapf
| Rhododendron stevensianum | Sleumer
| Rhododendron stewartianum | Diels
| Rhododendron stolleanum | Schltr.
| Rhododendron stresemannii | J.J.Sm.
| Rhododendron strigillosum | Franch.
| Rhododendron strigosum | R.L.Liu
| Rhododendron suaveolens | Sleumer
| Rhododendron subansiriense | D.F.Chamb. & Cox
| Rhododendron subcerinum | P.C.Tam
| Rhododendron subcrenulatum | Sleumer
| Rhododendron subenerve | P.C.Tam
| Rhododendron subestipitatum | P.C.Tam
| Rhododendron subflumineum | P.C.Tam
| Rhododendron subpacificum | Sleumer
| Rhododendron subroseum | Xiang Chen & Jia Y.Huang
| Rhododendron subsessile | Rendle
| Rhododendron subulatum | (Nakai) Harmaja
| Rhododendron subuliferum | Sleumer
| Rhododendron subulosum | J.J.Sm. ex Sleumer
| Rhododendron succothii | Davidian
| Rhododendron sugaui | Argent
| Rhododendron sulfureum | Franch.
| Rhododendron sumatranum | Merr.
| Rhododendron × sundarraianum | Sherpa & Gogoi
| Rhododendron suoilenhense | D.F.Chamb., N.T.T.Huong & Rushforth
| Rhododendron superbum | Sleumer
| Rhododendron sutchuenense | Franch.
| Rhododendron syringoideum | Sleumer
}}
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File:Rhododendron tomentosum1236.JPG]]
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{{Linked species list
| Rhododendron taggianum | Hutch.
| Rhododendron taibaiense | Ching & H.P.Yang
| Rhododendron taiense | Hutch.
| Rhododendron taipaoense | T.C.Wu & P.C.Tam
| Rhododendron taishunense | B.Y.Ding & Y.Y.Fang
| Rhododendron taiwanalpinum | Ohwi
| Rhododendron × takahashianum | Sugim.
| Rhododendron takeuchii | Argent
| Rhododendron taliense | Franch.
| Rhododendron tanastylum | Balf.f. & Kingdon-Ward
| Rhododendron tapetiforme | Balf.f. & Kingdon-Ward
| Rhododendron taronense | Hutch.
| Rhododendron tashiroi | Maxim.
| Rhododendron tatsienense | Franch.
| Rhododendron × tatuoi | Nakai ex H.Hara
| Rhododendron taxifolium | Merr.
| Rhododendron taxoides | J.J.Sm.
| Rhododendron telmateium | Balf.f. & W.W.Sm.
| Rhododendron temenium | Balf.f. & Forrest
| Rhododendron tenuifolium | R.C.Fang & S.H.Huang
| Rhododendron tenuilaminare | P.C.Tam
| Rhododendron tephropeploides | R.A.Baines & D.F.Chamb.
| Rhododendron tephropeplum | Balf.f. & Farrer
| Rhododendron tetramerum | (Makino) Nakai
| Rhododendron thaumasianthum | Sleumer
| Rhododendron thayerianum | Rehder & E.H.Wilson
| Rhododendron thomsonii | Hook.f.
| Rhododendron thymifolium | Maxim.
| Rhododendron tianlinense | P.C.Tam
| Rhododendron tianmenshanense | C.L.Peng & L.H.Yan
| Rhododendron tingwuense | P.C.Tam
| Rhododendron tintinnabellum | Danet
| Rhododendron titapuriense | A.A.Mao, K.N.E.Cox & D.F.Chamb.
| Rhododendron tjiasmantoi | Mustaqim, Mambrasar & Hutabarat
| Rhododendron tolmachevii | Harmaja
| Rhododendron tomentosum | Harmaja
| Rhododendron torajaense | Craven
| Rhododendron torquescens | D.F.Chamb.
| Rhododendron tosaense | Makino
| Rhododendron toxopei | J.J.Sm.
| Rhododendron traillianum | Forrest & W.W.Sm.
| Rhododendron trancongii | Argent & Rushforth
| Rhododendron × transiens | Nakai
| Rhododendron trichanthum | Rehder
| Rhododendron trichocladum | Franch.
| Rhododendron trichogynum | L.C.Hu
| Rhododendron × trichophorum | Balf.f.
| Rhododendron trichostomum | Franch.
| Rhododendron triflorum | Hook.f.
| Rhododendron trilectorum | Cowan
| Rhododendron trinerve | Franch. ex H.Boissieu
| Rhododendron triumphans | Yersin & A.Chev.
| Rhododendron truncatovarium | L.M.Gao & D.Z.Li
| Rhododendron truncicola | Sleumer
| Rhododendron tsaii | W.P.Fang
| Rhododendron tsariense | Cowan
| Rhododendron tschonoskii | Maxim.
| Rhododendron tsinlingense | W.P.Fang ex J.Q.Fu
| Rhododendron tsoi | Merr.
| Rhododendron tsurugisanense | (T.Yamaz.) T.Yamaz.
| Rhododendron tsusiophyllum | Sugim.
| Rhododendron tuba | Sleumer
| Rhododendron tuberculiferum | J.J.Sm.
| Rhododendron tubiforme | (Cowan & Davidian) Davidian
| Rhododendron tuhanense | Argent & T.J.Barkman
| Rhododendron tutcherae | Hemsl. & E.H.Wilson
}}
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U
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{{Linked species list
| Rhododendron ultimum | Wernham
| Rhododendron unciferum | P.C.Tam
| Rhododendron ungeonticum | A.P.Khokhr. & Mazurenko
| Rhododendron ungernii | Trautv. ex Regel
| Rhododendron uniflorum | Hutch. & Kingdon-Ward
| Rhododendron urophyllum | W.P.Fang
| Rhododendron uvariifolium | Diels
| Rhododendron uwaense | H.Hara & T.Yamanaka
}}
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File:Rhododendron vaseyi 2013 037.JPG]]
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{{Linked species list
| Rhododendron vaccinioides | Hook.f.
| Rhododendron valentinianum | Forrest ex Hutch.
| Rhododendron vanderbiltianum | Merr.
| Rhododendron × vanhoeffenii | Abrom.
| Rhododendron vaniotii | H.Lév.
| Rhododendron vanvuurenii | J.J.Sm.
| Rhododendron × variolosum | Becc.
| Rhododendron vaseyi | A.Gray
| Rhododendron veitchianum | Hook.
| Rhododendron vellereum | Hutch. ex Tagg
| Rhododendron venator | Tagg ex L.Rothsch.
| Rhododendron vernicosum | Franch.
| Rhododendron verruciferum | W.K.Hu
| Rhododendron × verruculosum | Rehder & E.H.Wilson
| Rhododendron versteegii | J.J.Sm.
| Rhododendron verticillatum | H.Low ex Lindl.
| Rhododendron vesiculiferum | Tagg
| Rhododendron vialii | Delavay & Franch.
| Rhododendron vidalii | Rolfe
| Rhododendron villosulum | J.J.Sm.
| Rhododendron vinicolor | Sleumer
| Rhododendron vinkii | Sleumer
| Rhododendron virgatum | Hook.f.
| Rhododendron viridescens | Hutch.
| Rhododendron viriosum | Craven
| Rhododendron viscidifolium | Davidian
| Rhododendron viscidum | C.Z.Guo & Z.H.Liu
| Rhododendron viscigemmatum | P.C.Tam
| Rhododendron viscistylum | Nakai
| Rhododendron viscosum | (L.) Torr.
| Rhododendron vitis-idaea | Sleumer
}}
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File:Rhododendron wadanum - Flickr - odako1 (3).jpg]]
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{{Linked species list
| Rhododendron wadanum | Makino
| Rhododendron walongense | Kingdon-Ward
| Rhododendron wardii | W.W.Sm.
| Rhododendron wasonii | Hemsl. & E.H.Wilson
| Rhododendron watsonii | Hemsl. & E.H.Wilson
| Rhododendron wattii | Cowan
| Rhododendron websterianum | Rehder & E.H.Wilson
| Rhododendron × welleslyanum | Waterer ex Rehder
| Rhododendron wentianum | Koord.
| Rhododendron westlandii | Hemsl.
| Rhododendron weyrichii | Maxim.
| Rhododendron whiteheadii | Rendle
| Rhododendron widjajae | Argent & Mambrasar
| Rhododendron wightii | Hook.f.
| Rhododendron × wilhelminae | Hochr.
| Rhododendron wilkiei | Argent
| Rhododendron williamsianum | Rehder & E.H.Wilson
| Rhododendron williamsii | Merr. ex H.F.Copel.
| Rhododendron wiltonii | Hemsl. & E.H.Wilson
| Rhododendron wolongense | W.K.Hu
| Rhododendron womersleyi | Sleumer
| Rhododendron wongii | Hemsl. & E.H.Wilson
| Rhododendron wrayi | King & Gamble
| Rhododendron wrightianum | Koord.
| Rhododendron wumingense | W.P.Fang
| Rhododendron wuyishanicum | L.K.Ling
}}
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{{Linked species list
| Rhododendron × xanthanthum | (Tagg & Forrest) D.F.Chamb.
| Rhododendron xanthopetalum | Merr.
| Rhododendron xanthostephanum | Merr.
| Rhododendron xenium | Gill.K.Br. & Craven
| Rhododendron xiangganense | X.F.Jin & B.Y.Ding
| Rhododendron xiaoxidongense | W.K.Hu
| Rhododendron xiaoxueshanense | R.L.Liao & Y.P.Ma
| Rhododendron xichangense | Z.J.Zhao
| Rhododendron xiguense | Ching & H.P.Yang
| Rhododendron xishuiense | C.H.Yang & C.D.Yang
}}
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Y
File:Rhododendron yedoense var poukhanense 1.jpg var. poukhanense]]
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{{Linked species list
| Rhododendron yakuinsulare | Masam.
| Rhododendron yakumontanum | (T.Yamaz.) T.Yamaz.
| Rhododendron yakushimanum | Nakai
| Rhododendron yakushimense | (M.Tash. & H.Hatta) Craven
| Rhododendron yangmingshanense | P.C.Tam
| Rhododendron yaogangxianense | Q.X.Liu
| Rhododendron yaoshanense | L.M.Gao & S.D.Zhang
| Rhododendron yaoshanicum | W.P.Fang & M.Y.He
| Rhododendron yedoense | Maxim. ex Regel
| Rhododendron yelliottii | Warb.
| Rhododendron yizhangense | Q.X.Liu
| Rhododendron yongii | Argent
| Rhododendron yungchangense | Cullen
| Rhododendron yungningense | Balf.f. ex Hutch.
| Rhododendron yunnanense | Franch.
| Rhododendron yunyianum | X.F.Jin & B.Y.Ding
| Rhododendron yushuense | Z.J.Zhao
}}
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Z
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{{Linked species list
| Rhododendron zaleucum | Balf.f. & W.W.Sm.
| Rhododendron zekoense | Y.D.Sun & Z.J.Zhao
| Rhododendron zhangjiajieense | C.L.Peng & L.H.Yan
| Rhododendron zheguense | Ching & H.P.Yang
| Rhododendron zhongdianense | L.C.Hu
| Rhododendron ziyuanense | P.C.Tam
| Rhododendron zoelleri | Warb.
| Rhododendron zollingeri | J.J.Sm.
}}
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References
{{reflist}}
External links
{{Commonscat|position=right|Rhododendron}}
- [http://data.rbge.org.uk/service/factsheets/Edinburgh_Rhododendron_Monographs.xhtml Edinburgh Rhododendron Monographs] Comprehensive listing and description of all described Rhododendron species
- [http://www.rhododendron.org American Rhododendron Society]
- [http://www.rododendron.cz/en/rododendrony-druhy-a-kultivary/ Rhododendrons – Species and cultivars from Rododendron.cz project] {{Webarchive|url=https://web.archive.org/web/20160702035302/http://www.rododendron.cz/en/rododendrony-druhy-a-kultivary/ |date=2016-07-02 }}
- [http://www.rhododendron.dk/alfabet.html Danish Rhododendron Society]