Tephrosia sp. Carnarvon (J.H. Ross 2681)

Scientific Description

Erect or prostrate,spreading or scrambling, shrub, spindly shrub (broom-like). Stems terete or angular, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, not continuous with stem, 115-140 mm long, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent, leaflets 5-11, pinnately arranged, terminal leaflet present, stalked; pustules or glands absent. Stipules present and persistent to older leaves, 6.5-8 mm long, without glands, ribless. Pedicel present, 2.5-4 mm long, hairy. Bracteoles present and persistent. Calyx 5-7.3 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 9.6-15 mm long, uniformly coloured, orange; claws present; standard 9-14.2 mm long, hairy at least in part, not auriculate, wings 8-12 mm long, not auriculate, keel 8-10 mm long, beaked, not auriculate. Stamens ten; anthers 0.6-1 mm long, at two different levels (filaments alternately long and short); filaments united in an open sheath with one free stamen, 6-8 mm long. Ovary sessile or subsessile, hairy or glandular; style 8-12.5 mm long, hairy or glandular towards the base, not bearded, flattened at apex. Fruit dehiscent (a pod or follicle), 40-48 mm long, 4-5 mm wide, sessile or subsessile, constricted between the seeds, round in cross-section, hairy, with simple hairs, not beaked. Flowers in July and September. Occurs in the Eremaean Botanical Province, in the Carnarvon, Gascoyne and Murchison IBRA regions.