Chorizema humile

Chorizema humile
	Near Coorow
Conservation status
	; Declared rare (DEC)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fabales
Family:	Fabaceae
Subfamily:	Faboideae
Genus:	Chorizema
Species:	C. humile
Binomial name
	Chorizema humile; Turcz.[1]

Chorizema humile is a species of flowering plant in the family Fabaceae and is endemic to the southwest of Western Australia. It is a sprawling, prostrate or low-lying shrub with egg-shaped or wedge-shaped leaves and yellow and reddish-brown flowers.

Description

Chorizema humile is a sprawling, prostrate or low-lying shrub with branches 15–30 cm (5.9–11.8 in) long. Its leaves are leathery, egg-shaped with the narrower end towards the base, or wedge-shaped, 4–9 mm (0.16–0.35 in) long with a short, down-turned point on the end. The flowers are arranged in racemes, each flower on a short pedicel. The sepals are softly-hairy and about 6.5 mm (0.26 in) long, the upper two lobes joined for about half their length. The standard petal is twice as long as the sepals, the keel slightly longer than the sepals. Flowering occurs from July to September.[2][3]

Taxonomy

Chorizema humile was first formally described in 1853 by Nikolai Turczaninow in the Bulletin de la Société Impériale des Naturalistes de Moscou from specimens collected by James Drummond.[4][5] The specific epithet (humile) means "low in stature".[6]

Distribution and habitat

This species of pea grows on plains in sandy clay or loam in the Avon Wheatbelt and Geraldton Sandplains bioregions of south-western Western Australia.[3]

Conservation status

Chorizema humile is listed as "Threatened" by the Western Australian Government Department of Biodiversity, Conservation and Attractions,[3] meaning that it is in danger of extinction.[7]

References

"Chorizema humile". Australian Plant Census. Retrieved 10 September 2023.
Bentham, George (1864). Flora Australiensis. Vol. 2. London: Lovell Reeve & Co. p. 30. Retrieved 10 September 2023.
"Chorizema humile". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
Turczaninow, Nikolai (1853). "Chorizema humile". Bulletin de la Société Impériale des Naturalistes de Moscou. 26 (1): 254. Retrieved 10 September 2023.
"Chorizema humile". APNI. Retrieved 10 September 2021.
Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 220. ISBN 9780958034180.
"Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Biodiversity, Conservation and Attractions. Retrieved 10 September 2023.

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[APC-1] "Chorizema humile". Australian Plant Census. Retrieved 10 September 2023.

[Benth.-2] Bentham, George (1864). Flora Australiensis. Vol. 2. London: Lovell Reeve & Co. p. 30. Retrieved 10 September 2023.

[FB-3] "Chorizema humile". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.

[Turcz-4] Turczaninow, Nikolai (1853). "Chorizema humile". Bulletin de la Société Impériale des Naturalistes de Moscou. 26 (1): 254. Retrieved 10 September 2023.

[APNI-5] "Chorizema humile". APNI. Retrieved 10 September 2021.

[Sharr-6] Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 220. ISBN 9780958034180.

[codes-7] "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Biodiversity, Conservation and Attractions. Retrieved 10 September 2023.