Swainsona ecallosa Sprague

Scientific Description

Erect, herb. Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, alternate, not continuous with stem, 60-80 mm long, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent; pustules or glands absent. Stipules present and persistent to older leaves, 2-3 mm long, without glands, ribless. Pedicel present, 3-3.5 mm long, hairy. Bracteoles present and persistent, 1-1.5 mm long, hairy, not striate. Calyx 7-9 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 17-22 mm long, uniformly coloured, purple; claws present; standard 15-19 mm long, glabrous, not auriculate, wings 12-15.5 mm long, auriculate, keel 16-18 mm long, not beaked, auriculate, glabrous. Stamens ten; anthers 1.5-1.7 mm long, at two different levels (filaments alternately long and short); filaments united in an open sheath with one free stamen, 13-17 mm long. Ovary stipitate, hairy or glandular; style 17-19 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, not constricted between the seeds, round in cross-section, not beaked. Flowers in August, September and October. Occurs in the Eremaean Botanical Province, in the Carnarvon IBRA regions. Conservation Code Priority One (P1).