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Species of flowering plant From Wikipedia, the free encyclopedia
Daviesia asperula is a species of flowering plant in the family Fabaceae and is endemic to South Australia. It is a compact or spreading shrub with often crowded, flattened, tapering or curved, sharply pointed phyllodes, and orange-yellow and red flowers.
| Daviesia asperula | |
|---|---|
| |
| In Wanilla Land Settlement Conservation Park | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Faboideae |
| Genus: | Daviesia |
| Species: | D. asperula |
| Binomial name | |
| Daviesia asperula | |
Daviesia asperula is a compact or spreading shrub that typically grows to a height of up to 2 m (6 ft 7 in). Its leaves are reduced to often crowded flattened, tapering or curved, sharply-pointed phyllodes, 5–25 mm (0.20–0.98 in) wide and 1–4.5 mm (0.039–0.177 in) wide. The flowers are arranged in groups of two or three in leaf axils on a peduncle up to 1 mm (0.039 in) long, each flower on a pedicel 1–2 mm (0.039–0.079 in) long. The five sepals are 2.5–3.0 mm (0.098–0.118 in) long and joined at the base, forming a bell-shaped tube with short lobes. The standard petal is broadly egg-shaped with a notched tip, yellow-orange with a red base and 7–8 mm (0.28–0.31 in) long and wide, the wings yellow-orange and about 5.5 mm (0.22 in) long and the keel orange-red and about 4.5 mm (0.18 in) long. Flowering occurs from August to October and the fruit is a slightly flattened triangular pod 10–14 mm (0.39–0.55 in) long.[2][3][4]
Daviesia asperula was first formally described in 1995 by Michael Crisp in Australian Systematic Botany from specimens collected by Betty Phillips near Rocky River on Kangaroo Island in 1965.[2][5][4] The specific epithet (asperula) means "slightly rough", referring to the branchlets and phyllodes.[4]
In the same journal, Crisp described two subspecies and the names are accepted by the Australian Plant Census:
This species of pea mainly grows in mallee or open forest in poor soils on the Eyre and Fleurieu Peninsulas and on Kangaroo Island in South Australia.[2][4][8][9]
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