Vincetoxicum lineare
| Vincetoxicum lineare | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Apocynaceae |
| Genus: | Vincetoxicum |
| Species: | V. lineare
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| Binomial name | |
| Vincetoxicum lineare | |
| Synonyms[1] | |
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Vincetoxicum lineare is a species of plant in the family Apocynaceae native to Australia.[1] Known as the bush bean, it is an edible species of plant found in arid regions.[3] As Rhyncharrhena linearis, the species was at one time the only species in the monotypic genus Rhyncharrhena.
Description
[edit | edit source]The habit of the slender plant is a climber or trailer, with stems obtaining a length around two metres. The flowers appear throughout the year, except during February to March, the purple brown colour beginning as a greenish yellow. The margin of the corolla is often hairy, the lobes are deeply divided. Three to seven umbels appear in an axial arrangement, from which a twenty centimetre pod is produced.[3]
Taxonomy
[edit | edit source]The species was first described by Joseph Decaisne in 1844 as Pentatropis linearis. Three species which Ferdinand von Mueller later described, Rhyncharrhena atropurpurea and Rh. quinquepartita in 1859 and Pentatropis kempeana in 1882, are considered to be synonyms.[1] As Rhyncharrhena linearis, the species was at one time the only species in the monotypic genus Rhyncharrhena.[4]
Uses
[edit | edit source]The species is noted as an ancient food source of the peoples inhabiting the drier regions of Australia. All parts of the plant are known to edible, but the stem is not regularly consumed. The plant has a low nutritional value, although a source of vitamin C.[3]
References
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