Spyridium spadiceum
{{Short description|Species of shrub}}
{{Use dmy dates|date=November 2022}}
{{Speciesbox
|name =
|image = Spyridium spadiceum.jpg
|image_caption = In the Australian National Botanic Gardens
|genus = Spyridium
|species = spadiceum
|status_system = DECF
|status = P4
|authority = (Fenzl) Benth.{{cite web |title=Spyridium spadiceum |url=https://biodiversity.org.au/nsl/services/apc-format/display/55176 |publisher=Australian Plant Census |access-date=6 November 2022}}
|synonyms =
- Cryptandra spadicea (Fenzl) F.Muell.
- Pomaderris hirsuta Steud.
- Spyridium spadiceum (Fenzl) Benth. var. spadiceum
- Trymalium spadiceum Fenzl
- Trymalium thomasioides Turcz.
}}
Spyridium spadiceum is a species of flowering plant in the family Rhamnaceae and is endemic to the south of Western Australia. It is an erect or semi-prostrate shrub with narrowly oblong to oval leaves and heads of hairy flowers with brown bracts at the base.
Description
Spyridium spadiceum is an erect slender, or weak semi-prostrate shrub that typically grows to a height of {{cvt|0.15–3|m}}, its branches covered with soft, sometimes rust-coloured hairs. The leaves are narrowly oblong to oval, {{cvt|1–3|mm}} long, softly-hairy on the upper surface and white on the lower side, the veins sometimes covered with rust-coloured hairs. The flowers heads are arranged in cymes with many broad, brown bracts at the base. The sepal tube is about {{cvt|2|mm}} long and densely hairy.{{cite book |last1=Bentham |first1=George |last2=von Mueller |first2=Ferdinand |title=Flora Australiensis |volume=1 |date=1863 |publisher=Lovell Reeve & Co. |location=London |page=428 |url=https://www.biodiversitylibrary.org/item/3669#page/486/mode/1up |access-date=6 November 2022}}{{FloraBase|name=Spyridium spadiceum|id=4833}}
Taxonomy
This species was first formally described in 1837 by Eduard Fenzl who gave it the name Trymalium spadiceum in Enumeratio plantarum quas in Novae Hollandiae ora austro-occidentali ad fluvium Cygnorum et in sinu Regis Georgii collegit Carolus Liber Baro de Hügel.{{cite web |title=Trymalium spadiceum |url=https://biodiversity.org.au/nsl/services/rest/instance/apni/533523 |publisher=Australian Plant Name Index |access-date=6 November 2022}}{{cite book |last1=Endlicher |first1=Stephan |editor-last1=Endlicher |editor-first1=Stephan |editor-last2=Fenzl |editor-first2=Eduard |editor-last3=Bentham |editor-first3=George |editor-last4=Schott |editor-first4=Heinrich Wilhelm |title=Enumeratio plantarum quas in Novae Hollandiae ora austro-occidentali ad fluvium Cygnorum et in Sinu Regis Georgii collegit Carolus liber baro de Hügel |date=1837 |page=26 |url=https://babel.hathitrust.org/cgi/pt?id=chi.64405481&view=1up&seq=36 |access-date=6 November 2022}} In 1863, George Bentham changed the name to Spyridium spadiceum in Flora Australiensis.{{cite web |title=Spyridium spadiceum |url=https://biodiversity.org.au/nsl/services/rest/instance/apni/457211 |publisher=Australian Plant Name Index |accessdate=6 November 2022}} The specific epithet (spadiceum) means "brown" or "date-coloured", referring to the floral bracts.{{cite book |last1=Sharr |first1=Francis Aubi |last2=George |first2=Alex |title=Western Australian Plant Names and Their Meanings |date=2019 |publisher=Four Gables Press |location=Kardinya, WA |isbn=9780958034180 |page=309 |edition=3rd}}
Distribution and habitat
Spyridium spadiceum grows on granitic hills in the Porongurup Range and at Albany in the Jarrah Forest bioregion in the south of Western Australia.{{cite journal |last1=Rye |first1=Barbara L. |title=A synopsis of the genera Pomaderris, Siegfriedia, Spyridium and Trymalium (Rhamnaceae) in Western Australia. |journal=Nuytsia |date=1996 |volume=11 |issue=1 |page=124 |url=https://www.biodiversitylibrary.org/item/225336#page/130/mode/1up |access-date=6 November 2022}}
Conservation status
Spyridium spadiceum is listed as "Priority Four" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions, meaning that it is rare or near threatened.{{cite web|title=Conservation codes for Western Australian Flora and Fauna|url=https://www.dpaw.wa.gov.au/images/documents/plants-animals/threatened-species/Listings/Conservation%20code%20definitions.pdf|publisher=Government of Western Australia Department of Parks and Wildlife|accessdate=6 November 2022}}
References
{{Reflist}}
{{Taxonbar|from=Q17242391}}
Category:Flora of Western Australia