Chorizema uncinatum is a species of flowering plant in the family Fabaceae and is endemic to the south of Western Australia. It is an ascending or sprawling shrub with linear or narrowly oblong leaves and orange, pink or red, and red and yellow flowers.
| Chorizema uncinatum | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Faboideae |
| Genus: | Chorizema |
| Species: | C. uncinatum
|
| Binomial name | |
| Chorizema uncinatum | |
Description
editChorizema uncinatum is an ascending or sprawling shrub with branches under 0.3 cm (0.12 in) long and silky-hairy near the end. Its leaves are linear to narrowly oblong, 7–15 mm (0.28–0.59 in) long and 1.2–2.2 mm (0.047–0.087 in) wide. The flowers are arranged in spike-like racemes, each flower on a pedicel 1.0–1.5 mm (0.039–0.059 in) long. The sepals are silky-hairy and 9.5–10.5 mm (0.37–0.41 in) long. The flowers are orange, pink or red, and red and yellow, the standard petal 10–15 mm (0.39–0.59 in) long, the wings 10–11 mm (0.39–0.43 in) long, and the keel 9–12 mm (0.35–0.47 in) long. Flowering occurs from August to October.[2][3]
Taxonomy
editChorizema uncinatum was first formally described in 1904 by Cecil Rollo Payton Andrews in the Journal of the West Australian Natural History Society from specimens he collected in the Stirling Ranges "in October 1903".[3][4] The specific epithet (uncinatum) means "hooked".[5]
Distribution and habitat
editThis species of pea grows in flats and sandplains in sandy soils with gravel, clay or loam in the Avon Wheatbelt, Esperance Plains, Jarrah Forest and Mallee bioregions of southern Western Australia.[2]
Conservation status
editChorizema uncinatum is listed as "not threatened" by the Western Australian Government Department of Biodiversity, Conservation and Attractions.[2]
References
edit- ^ "Chorizema trigonum". Australian Plant Census. Retrieved 16 November 2023.
- ^ a b c "Chorizema uncinatum". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
- ^ a b Andrews, Cecil R.P. (1904). "Additions to the West Australian Flora". Journal of the West Australian Natural History Society. 2 (1): 38. Retrieved 16 November 2023.
- ^ "Chorizema uncinatum". APNI. Retrieved 16 November 2021.
- ^ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 331. ISBN 9780958034180.