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Chorizema
Genus of legumes From Wikipedia, the free encyclopedia
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Chorizema, commonly known as flame peas,[3] is a genus of flowering plants in the family Fabaceae and is endemic to Australia.
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Description
Plants in the genus Chorizema are mostly shrubs or subshrubs, sometimes climbers, usually with simple leaves arranged in opposite pairs, the flowers usually arranged in racemes, each flower on a short pedicel. The sepal lobes are more or less equal, the upper pair broader and partly joined, the standard petal more or less round or kidney-shaped, the wings oblong and much longer than the keel. The fruit is an oval pod containing 4 to 32 seeds.[3][4][5]
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Taxonomy
The genus Chorizema was first formally described in 1800 by Jacques Labillardière in his Relation du Voyage à la Recherche de la Pérouse, and the first species he described (the type species) was Chorizema ilicifolium.[6][7] The genus name (Chorizema) means "divided thread", Labillardière having noted that the stamens are separate from each other.[8]
Distribution
Flame peas are endemic to the south-west of Western Australia, apart from C. parviflorum that occurs in New South Wales and Queensland.[3][9]
Use in horticulture
This genus of peas is valued in cultivation for their colourful flowers. Most species do not tolerate frost, and in temperate regions require the protection of glass.[10]
Species list
The following species and subspecies are accepted by the Australian Plant Census as of June 2020:[1]
- Chorizema aciculare (DC.) C.A.Gardner
- Chorizema aciculare (DC.) C.A.Gardner subsp. aciculare
- Chorizema aciculare subsp. laxum J.M.Taylor & Crisp
- Chorizema carinatum (Meisn.) J.M.Taylor & Crisp
- Chorizema circinale J.M.Taylor & Crisp
- Chorizema cordatum Lindl.
- Chorizema cytisoides Turcz.
- Chorizema dicksonii Graham
- Chorizema diversifolium A.DC.
- Chorizema genistoides (Meisn.) C.A.Gardner
- Chorizema glycinifolium (Sm.) Druce
- Chorizema humile Turcz.
- Chorizema ilicifolium Labill.
- Chorizema nanum (Andrews) Sims
- Chorizema nervosum T.Moore
- Chorizema obtusifolium (Sweet) J.M.Taylor & Crisp
- Chorizema parviflorum Benth.
- Chorizema racemosum (Meisn.) J.M.Taylor & Crisp
- Chorizema reticulatum Meisn.
- Chorizema retrorsum J.M.Taylor & Crisp
- Chorizema rhombeum R.Br.
- Chorizema rhynchotropis Meisn.
- Chorizema spathulatum (Meisn.) J.M.Taylor & Crisp
- Chorizema trigonum Turcz.
- Chorizema ulotropis J.M.Taylor & Crisp
- Chorizema uncinatum C.R.P.Andrews
- Chorizema varium Paxton
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Hybrids
The following hybrids have been described:[11]
- Chorizema ×lowii Hort. ex Rev.
References
External links
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