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Stylosanthes scabra Vogel

Reference
Linnaea 12: 69 (1838)
Conservation Code
Not threatened
Naturalised Status
Alien to Western Australia
Name Status
Current

Erect shrub, 0.3-2 m high. Fl. yellow, Feb to Jun. Alluvial soil, red (pindan) soil, sandstone. Levee adjacent to major river, flood prone areas, well-watered cultivated grounds, road verges.

Amanda Spooner, Descriptive Catalogue, 11 June 2005

Scientific Description

Erect, shrub, spindly shrub (broom-like). Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, not continuous with stem, 15-25 mm long, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent, pinnately arranged, terminal leaflet present, stalked; pustules or glands absent. Stipules present and persistent to older leaves, 9-10 mm long, without glands, ribless. Bracteoles present and persistent, 2-4 mm long, hairy, not striate. Calyx 3-6.5 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla uniformly coloured, yellow; claws present; standard 7 mm long, glabrous, auriculate, wings 4-5 mm long, auriculate, keel 3.5-4.5 mm long, beaked, auriculate, glabrous. Stamens ten. Fruit dehiscent (a pod or follicle), constricted between the seeds, round in cross-section, beaked. Flowers in February, March, April, May and June. Occurs in the Northern Botanical Province, in the Northern Kimberley, Victoria Bonaparte, Central Kimberley and Dampierland IBRA regions.

C. Hollister and K.R. Thiele, 17 April 2024

Distribution

IBRA Regions
Central Kimberley, Dampierland, Gascoyne, Northern Kimberley, Ord Victoria Plain, Victoria Bonaparte.
IBRA Subregions
Augustus, Fitzroy Trough, Keep, Mitchell, Pentecost, Pindanland, South Kimberley Interzone.
Local Government Areas (LGAs)
Broome, Derby-West Kimberley, Halls Creek, Meekatharra, Wyndham-East Kimberley.