Crotalaria smithiana A.T.Lee

Scientific Description

Erect, herb. Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, not continuous with stem, 110-140 mm long, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent, leaflets 7-9, pinnately arranged, terminal leaflet present, stalked; pustules or glands absent. Stipules present and persistent to older leaves. Pedicel present, 1.5-1.6 mm long, hairy. Bracteoles present and persistent. Calyx 4.5-5 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 7-7.6 mm long, uniformly coloured, yellow; claws present; standard 6-7 mm long, glabrous, not auriculate, wings 6-7 mm long, not auriculate, keel 7-8 mm long, beaked, not auriculate, glabrous. Stamens ten; anthers 0.4-0.5 mm long, at two different levels (filaments alternately long and short); filaments united in an open sheath, 5-6 mm long. Ovary stipitate, glabrous; style 6.5-8.5 mm long, glabrous, not bearded, terete. Fruit dehiscent (a pod or follicle), 12-15 mm long, 7-8 mm wide, stipitate, not constricted between the seeds, round in cross-section, glabrous, not beaked. Flowers in June. Occurs in the Eremaean Botanical Province, in the Pilbara and Tanami IBRA regions. Conservation Code Priority Three (P3).