Chorizema nervosum

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Chorizema nervosum
Chorizema nervosum.jpg
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Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Chorizema
Species:
C. nervosum
Binomial name
Chorizema nervosum

Chorizema nervosum is a species of flowering plant in the family Fabaceae and is endemic to the coast of southern Western Australia. It is an erect or spreading shrub with sharply-pointed, wavy, round to heart-shaped leaves, and yellowish-orange and red pea flowers.

Contents

Description

Chorizema nervosum is an erect or spreading shrub that typically grows to a height of 20–80 cm (7.9–31.5 in) and has softly-hairy branches. Its leaves are round to heart-shaped, about 12 mm (0.47 in) long and often broader than long. They are also glabrous, leathery, wavy and sharply-pointed. The flowers are yellowish-orange and red, arranged in loose groups, the pedicels often as long as the sepals. The sepals are 4–5 mm (0.16–0.20 in) long, the upper two joined for about half their length. The standard petal is about 6.5 mm (0.26 in) long and broader than long, the wings nearly as long as the standard, and the keel much shorter than both. Flowering occurs from July to September, and the fruit is a pod about 12 mm (0.47 in) long. [2] [3]

Taxonomy and naming

Chorizema nervosum was first formally described in 1852 by Thomas Moore in Arthur Henfrey's The Garden Companion. [4] [5] The specific epithet (nervosum) means "abounding in nerves", referring to the prominent veins in the leaves. [6]

Distribution and habitat

This species of pea grows in rocky gullies, breakaways and rocky gullies in near-coastal areas from near Jerramungup to Cape Arid National Park in the Esperance Plains and Mallee bioregions of southern Western Australia. [2]

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References

  1. "Chorizema nervosum". Australian Plant Census. Retrieved 21 September 2023.
  2. 1 2 "Chorizema nervosum". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. Bentham, George (1864). Flora Australiensis. Vol. 2. London: Lovell Reeve & Co. p. 27. Retrieved 21 September 2023.
  4. "Chorizema nervosum". Australian Plant Name Index. Retrieved 21 September 2022.
  5. Moore, Thomas (1852). Henfrey, Arthur (ed.). The Garden Companion. London: William S. Orr and Co. pp. 122–123. Retrieved 21 September 2023.
  6. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 260. ISBN   9780958034180.