Pultenaea heterochila F.Muell.

Scientific Description

Erect or twining or climbing plants, shrub, spindly shrub (broom-like). Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, opposite, not continuous with stem, 5-12 mm long, 3-8.2 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, 1-2.7 mm long, without glands, ribless. Pedicel present, 3.5-5 mm long, hairy. Bracteoles present and persistent, 1.7-2.4 mm long, hairy, not striate. Calyx 6-8 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 8-10.5 mm long, uniformly coloured, yellow; claws present; standard 7-9.7 mm long, glabrous, not auriculate, wings 6-8.5 mm long, not auriculate, keel 7.2-9 mm long, not beaked, not auriculate, glabrous. Stamens ten; anthers 0.4-0.5 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 4.5-7.5 mm long. Ovary sessile or subsessile, hairy or glandular; style 6.5-9 mm long, hairy or glandular towards the base, not bearded, terete. Fruit dehiscent (a pod or follicle), sessile or subsessile, not constricted between the seeds, flat or compressed, not beaked. Flowers in February, May, June, July, August, September, October and November. Occurs in the Eremaean and South-West Botanical Province, in the Coolgardie, Hampton, Avon Wheatbelt, Jarrah Forest, Mallee, Warren and Esperance IBRA regions.