Xerochrysum
{{Short description|Genus of flowering plants in the family Asteraceae native to Australia}}
{{Automatic taxobox
| image = Xerochrysum subundulatum.jpg
| image_caption = Xerochrysum subundulatum
Alpine everlasting
| display_parents = 2
| taxon = Xerochrysum
| authority = Tzvelev
| subdivision_ranks = Species
| subdivision = See text
}}
Xerochrysum (syn. Bracteantha) is a genus of flowering plants native to Australia. It was described by Russian botanist Nikolai Tzvelev in 1990, preceding (and taking precedence over) Bracteantha which was described the following year.{{Cite journal | last1= Bayer | first1= R. J. | year= 2001 | title= Xerochrysum Tzvelev, a pre-existing generic name for Bracteantha Anderb. & Haegi (Asteraceae: Gnaphalieae) | journal= Kew Bulletin | volume= 56 | issue= 4 | pages= 1013–1015 | jstor= 4119317 | doi=10.2307/4119317| bibcode= 2001KewBu..56.1013B }}{{Cite journal|author=Wilson, Paul G.|year=2002|title=Xerochrysum the correct name for the genus Bracteantha|journal=Australian Plants|volume=21|issue=173|page=398}}
{{Multiple image
| align= left
| image1= Xerochrysum bracteatum cultivar.jpg
| caption1= Cultivar of
Xerochrysum bracteatum
| width1= 128
| image2= Xerochrysum viscosum flowers and leaves.jpg
| caption2= Xerochrysum viscosum Sticky Everlasting
| width2= 228
| image3= Xerochrysum bicolor-Tasmania.jpg
| caption3= Xerochrysum bicolor
| width3= 175
| image4 = Xerochrysum palustra.jpg|alt=Xerochrysum palustre
| caption4 = Xerochrysum palustre
| width4 = 77
}} {{Clear|left}}
Species
This genus and its species names were formerly included in Bracteantha and before that in Helichrysum.
{{As of|2024|September}} the authoritative Australian Plant Census recognises thirteen formally named species and five accepted species awaiting formal naming, description and publication:{{Cite web |title=Vascular Plants |url=https://biodiversity.org.au/nsl/services/search/taxonomy?product=APC&tree.id=51209179&name=Xerochrysum&inc._scientific=&inc.scientific=on&inc._cultivar=&max=100&display=apc&search=true |access-date=2024-09-06 |website=biodiversity.org.au}}
- Xerochrysum alpinum {{au|Paul G.Wilson}} – Tasmania
- Xerochrysum bicolor {{Au|(Lindl.) R.J.Bayer}} – Tasmania
- Xerochrysum boreale {{au|Paul G.Wilson}} – WA, NT, Qld
- Xerochrysum bracteatum {{Au|(Vent.) Tzvelev}}, strawflower or golden everlasting – NSW, Vic, Tas, SA, Qld, NT, WA
- Xerochrysum collierianum {{Au|A.M.Buchanan}} – Tasmania
- Xerochrysum halmaturorum {{au|Paul G.Wilson}} – SA
- Xerochrysum interiore {{au|Paul G.Wilson}} – WA, NT, SA
- Xerochrysum macranthum {{au|Paul G.Wilson}} – WA
- Xerochrysum macsweeneyorum {{au|T.L.Collins}} - NSW, Qld
- Xerochrysum milliganii {{au|Paul G.Wilson}} – Tasmania
- Xerochrysum palustre {{Au|(Flann) R.J.Bayer}}, swamp everlasting, syn.: Bracteantha sp. aff. subundulata – Vic, Tas
- Xerochrysum papillosum {{Au|(Labill.) R.J.Bayer}} – Vic, Tas
- Xerochrysum subundulatum {{Au|(Sch.Bip.) R.J.Bayer}}, alpine everlasting or orange everlasting – NSW, ACT, Vic, Tas
- Xerochrysum viscosum {{Au|(Sieber ex DC.) R.J.Bayer}}, sticky everlasting – NSW, ACT, Qld, Vic
;Species provisionally named, described and accepted by the authoritative Australian Plant Name Index while awaiting formal publication
- Xerochrysum sp. Glencoe (M.Gray 4401) NE Herbarium – Qld, NSW
- Xerochrysum sp. Mt Merino [Lamington National Park] (S.T.Blake 22869) NE Herbarium – Qld, NSW
- Xerochrysum sp. New England (L.M.Copeland 3731) NE Herbarium – NSW
- Xerochrysum sp. North Stradbroke Island (L.Durrington 675) NE Herbarium – Qld, NSW
- Xerochrysum sp. Point Lookout (I.R.Telford 12830) NE Herbarium – NSW
A large scale molecular study conducted in 2022 expands the number of Xerochrysum species to 24, but as of 2024 has not been used for the Australian Plant Census.{{Cite journal |last1=Collins |first1=Timothy L. |last2=Schmidt-Lebuhn |first2=Alexander N. |last3=Andrew |first3=Rose L. |last4=Telford |first4=Ian R. H. |last5=Bruhl |first5=Jeremy J. |date=2022-06-09 |title=There's gold in them thar hills! Morphology and molecules delimit species in Xerochrysum (Asteraceae; Gnaphalieae) and reveal many new taxa |url=https://www.publish.csiro.au/SB/SB21014 |journal=Australian Systematic Botany |language=en |volume=35 |issue=2 |pages=120–185 |doi=10.1071/SB21014 |issn=1446-5701|doi-access=free }}
References
{{Reflist | 27em }}
External links
- {{Commons category-inline}}
- ASGAP: [http://farrer.csu.edu.au/ASGAP/b-bract.html Xerochrysum bracteatum] and [http://farrer.csu.edu.au/ASGAP/b-sub.html Xerochrysum subundulatum]
- PlantNET: [http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&search=yes&namesearch=xerochrysum&dist= Xerochrysum]
- PlantNET: [http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=gn&name=Xerochrysum Key to Xerochrysum]
{{Taxonbar|from=Q2715041}}