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''Chorizema aciculare'', commonly known as needle-leaved chorizema, is a species of flowering plant in the family and is
''Chorizema aciculare'', commonly known as needle-leaved chorizema, is a species of flowering plant in the family and is endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to the southwest of Western Australia. It is a shrub with sharply-pointed leaves, the flower colour depending on subspecies.
Description
''Chorizema aciculare'' is an erect or spreading shrub that typically grows to a height of . The leaves are long with the edges rolled under, obscuring the lower surface in the case of subspecies ''aciculare''. The flowers of subspecies ''aciculare'' are pink or orange, those of subsp. ''laxum'' usually pale yellow or orange.Taxonomy
Needle-leaved chorizema was first formally described in 1825 by Augustin Pyramus de Candolle who gave it the name ''Podolobium aciculare'' in '' Annales des Sciences Naturelles''. In 1930, Charles Gardner changed the name to ''Chorizema aciculare'' in his '' Enumeratio Plantarum Australiae Occidentalis''. Thespecific epithet
In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...
(''aciculare'') means "needle-pointed", referring to the leaves.
In 1992, Joan M. Taylor and Michael Crisp described two subspecies of ''C. aciculare'' in '' Australian Systematic Botany'' , and the names are accepted by the Australian Plant Census The Australian Plant Census (APC) provides an online interface to currently accepted, published, scientific names of the vascular flora of Australia, as one of the output interfaces of the national government Integrated Biodiversity Information Syst ...
:
* ''Chorizema aciculare'' (DC.) C.A.Gardner subsp. ''aciculare'';
* ''Chorizema aciculare'' subsp. ''laxum'' J.M.Taylor & Crisp.
Distribution and habitat
''Chorizema aciculare'' mostly grows in woodland or coastalkwongan
Kwongan is plant community found in south-western Western Australia. The name is a Bibbelmun (Noongar) Aboriginal term of wide geographical use defined by Beard (1976) as
Kwongan has replaced other terms applied by European botanists such as ...
on granite outcrops, undulating plains, ridges or on coastal dunes and is widespread from near Geraldton to Israelite Bay
Israelite Bay is a bay and locality on the south coast of Western Australia.
Situated in the Shire of Esperance local government area, it lies east of Esperance and the Cape Arid National Park, within the Nuytsland Nature Reserve and the Grea ...
in the south-west of Western Australia.
References
{{Taxonbar, from1=Q15529099, from2=Q51054879, from3=Q51054890 aciculares Plants described in 1825 Fabales of Australia Flora of Western Australia Taxa named by Augustin Pyramus de Candolle