Oxylobium cordifolium

Oxylobium cordifolium, commonly known as the heart-leaved shaggy pea,[2] is a species of flowering plant in the family Fabaceae and is endemic to New South Wales. It is a small, prostrate shrub with long, wiry branches, heart-shaped leaves and orange-red flowers.

Heart-shaped shaggy pea
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Genus: Oxylobium
Species:
O. cordifolium
Binomial name
Oxylobium cordifolium
Synonyms[1]
  • Chorozema cordifolium F.Muell.
  • Chorizema cordifolium (Andrews) F.Muell.
  • Callistachys cordifolia (Andrews) Kuntze

Description

Oxylobium cordifolium is a small, spreading shrub to about 30 cm (12 in) high with branches up to 40 cm (16 in) long and are densely covered with long, soft, straight hairs. The heart-shaped leaves are arranged opposite or whorled, 0.3–0.8 cm (0.12–0.31 in) long, 2–5 mm (0.079–0.197 in) wide, margins and apex curved downward, upper surface covered with warty protuberances, underside sparingly hairy. The orange-red flowers are borne at the end of branches in racemes, usually in groups of three, standard petal 6–8 mm (0.24–0.31 in) long, bracts lance-shaped and taper to a point. The soft, oval-shaped seed pod is covered in soft, silky hairs, sessile, 8–10 mm (0.31–0.39 in) long and tapering to a point. Flowering occurs from spring to early summer.[2][3]

Taxonomy

Oxylobium cordifolium was first formally described in 1807 by Henry Cranke Andrews and the description was published in The Botanist's Repository for New, and Rare Plants.[4][5] The specific epithet (cordifolium) means "heart leaved".[6]

Distribution and habitat

Heart-leaved shaggy pea grows on damp, sandy soils in heath and coastal headlands south of Sydney, Tumut and Conjola districts.[2][3]

References
  1. "Oxylobium cordifolium". Australian Plant Census. Retrieved 29 November 2020.
  2. Wiecek, B. "Oxylobium cordifolium". PlantNET-NSW Flora online. Royal Botanic Garden Sydney. Retrieved 29 November 2020.
  3. Fairley, Alan; Moore, Philip (2010). Native Plants of the Sydney Region. Sydney: Jacana Books. p. 189. ISBN 9781741755718.
  4. "Oxylobium cordifolium". Australian Plant Name Index. Retrieved 30 November 2020.
  5. Andrews, Henry C. (1807). The Botanist's Repository for New, and Rare Plants. p. 492.
  6. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 170. ISBN 9780958034180.
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