Swainsona pedunculata A.T.Lee

Scientific Description

Erect, herb. Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, continuous with stem, 38-55 mm long, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent, leaflets 3-5, pinnately arranged, terminal leaflet present, stalked; pustules or glands absent. Stipules present and persistent to older leaves. Pedicel present, 50-105 mm long, hairy. Bracteoles present and persistent. Calyx 6-6.7 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 15.5-17 mm long, uniformly coloured, purple; claws present; standard 11.5-13 mm long, glabrous, not auriculate, wings 10-14 mm long, auriculate, keel 10-11.5 mm long, not beaked, auriculate, glabrous. Stamens ten, at two different levels (filaments alternately long and short); filaments united in an open sheath with one free stamen, 7.5-10 mm long. Ovary stipitate, hairy or glandular; style 11-16 mm long, hairy or glandular towards the base, bearded (with a tuft of hairs at apex), flattened at apex. Fruit dehiscent (a pod or follicle), 25-30 mm long, 4-5 mm wide, stipitate, not constricted between the seeds, round in cross-section, hairy, with simple hairs. Flowers in September. Occurs in the Eremaean Botanical Province, in the Carnarvon, Gascoyne and Murchison IBRA regions.