Alysicarpus schomburgkii Schindl.

Scientific Description

Erect, herb. Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, not continuous with stem, 15-100 mm long, 4-18 mm wide, glabrous, flat with flat margins; margins entire; tubercles absent; pustules or glands absent. Stipules present and persistent to older leaves, 1-3.7 mm long, without glands, ribless. Pedicel present, 2.5-4.2 mm long, hairy. Bracteoles absent. Calyx 5-7.5 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 5-5.5 mm long, uniformly coloured, yellow; claws present; standard 5-5.5 mm long, glabrous, not auriculate, wings 4-5.5 mm long, not auriculate, keel 4.5-5 mm long, not beaked, not auriculate, glabrous. Stamens ten; anthers 0.3-0.4 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base) or united in an open sheath with one free stamen, 2.5-3 mm long. Fruit indehiscent and splitting into sections (schizocarps), 9-10 mm long, 1.3-2 mm wide, stipitate or sessile or subsessile, constricted between the seeds, flat or compressed, glabrous, not beaked. Flowers in May and June. Occurs in the Northern Botanical Province, in the Northern Kimberley, Central Kimberley and Dampierland IBRA regions.