Vigna triodiophila A.E.Holland & R.Butcher

Scientific Description

Twining or climbing plants, herb. Stems terete, not spiny, glabrous; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, not continuous with stem, 25-60 mm long, glabrous, flat with flat margins; margins entire; tubercles absent, pinnately arranged, terminal leaflet present, stalked; pustules or glands absent. Stipules present but early deciduous ( only visible on youngest leaves ), 4-5.5 mm long, without glands, ribless. Pedicel present, 1.5 mm long, hairy. Bracteoles present but early deciduous. Calyx 3-4 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 7-9.5 mm long, uniformly coloured, yellow; claws present; standard 6-7 mm long, glabrous, not auriculate, wings 7-8 mm long, not auriculate, keel 7-8 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 united in an open sheath with one free stamen, 7-9 mm long. Ovary stipitate, hairy or glandular; style 10-13 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), stipitate, constricted between the seeds, flat or compressed, not beaked. Flowers in March and May. Occurs in the Eremaean Botanical Province, in the Pilbara IBRA regions. Conservation Code Priority Three (P3).