Grevillea Deflexa
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''Grevillea deflexa'' is a species of flowering plant in the family
Proteaceae The Proteaceae form a family of flowering plants predominantly distributed in the Southern Hemisphere. The family comprises 83 genera with about 1,660 known species. Together with the Platanaceae and Nelumbonaceae, they make up the order Pro ...
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 inland areas of central Western Australia. It is a shrub with linear to elliptic or egg-shaped leaves, and groups of red, yellow or red and yellow flowers.


Description

''Grevillea deflexa'' is a low to open, erect shrub that typically grows to a height of . Its leaves are linear, elliptic, narrowly egg-shaped, or lance-shaped, long and wide, the lower surface silky-hairy. The flowers are arranged in loose groups of two to five in leaf axils on a rachis long. The flowers are red, yellow or red and yellow with a red or yellow style, the
pistil Gynoecium (; ) is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds. The gynoecium is the innermost whorl of a flower; it consists of (one or more) ''pistils'' ...
long and silky-hairy. Flowering occurs from May to October and the fruit is an elliptic to oval follicle long.


Taxonomy

''Grevillea deflexa'' was first formally described in 1883 by
Ferdinand von Mueller Baron Sir Ferdinand Jacob Heinrich von Mueller, (german: Müller; 30 June 1825 – 10 October 1896) was a German-Australian physician, geographer, and most notably, a botanist. He was appointed government botanist for the then colony of Vict ...
in ''The Chemist and Druggist with Australasian Supplement'' from specimens collected near the Gascoyne River. The
specific 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 ...
(''deflexa'') means "bent or turned downwards", referring to the flowers.


Distribution and habitat

This grevillea grows in mulga between Laverton and the upper Gascoyne River and between the
Thomas River The Thomas River is a river in the Gascoyne region of Western Australia. The headwaters of the river rise south of Double Peak and flows westwards, joined by two minor tributaries; Coondoondoo Creek and Pink Hills Creek. The river forms its con ...
and Mount Singleton in Avon Wheatbelt, Carnarvon,
Gascoyne The Gascoyne region is one of the nine administrative regions of Western Australia. It is located in the northwest of Western Australia, and consists of the local government areas of Carnarvon, Exmouth, Shark Bay and Upper Gascoyne. The Gasc ...
, Geraldton Sandplains, Murchison and Yalgoo biogeographic regions of central inland Western Australia.


Conservation status

''Grevillea decurrens'' is listed as
Least Concern A least-concern species is a species that has been categorized by the International Union for Conservation of Nature (IUCN) as evaluated as not being a focus of species conservation because the specific species is still plentiful in the wild. T ...
on the IUCN Red List of Threatened Species. It has a large distribution, a stable population and is not currently facing any major threats.


See also

* List of Grevillea species


References

{{Taxonbar, from=Q15579975 deflexa Endemic flora of Western Australia Eudicots of Western Australia Proteales of Australia Taxa named by Ferdinand von Mueller Plants described in 1883