Crotalaria calycina Schrank

Scientific Description

Erect or prostrate,spreading or scrambling, herb. Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, alternate, continuous with stem, 45-125 mm long, 7-25 mm wide, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent; pustules or glands absent. Stipules present and persistent to older leaves. Pedicel present, 10 mm long, hairy. Bracteoles present and persistent, 13-15 mm long, hairy, not striate. Calyx 30-35 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla uniformly coloured, yellow; claws present; standard 12-14 mm long, glabrous, not auriculate, wings 9-11 mm long, not auriculate, keel 12-15 mm long, beaked, not auriculate, glabrous. Stamens ten, at two different levels (filaments alternately long and short); filaments united in an open sheath. Fruit dehiscent (a pod or follicle), stipitate, not constricted between the seeds, round in cross-section, not beaked. Flowers in April, May, June, July and August. Occurs in the Northern Botanical Province, in the Northern Kimberley and Central Kimberley IBRA regions.