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Swainsona campylantha F.Muell.

Reference
A.C.Gregory, New South Wales Leg.Ass.Votes & Proc. 2:6 (1859)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Low-growing perennial, herb. Fl. pink-purple, Mar to Aug. Heavy soils. Along rivers & creeks.

Grazyna Paczkowska, Descriptive Catalogue, 5 August 1996

Scientific Description

Prostrate,spreading or scrambling, herb. Stems terete, not spiny, glabrous; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, not continuous with stem, 25-75 mm long, glabrous, flat with flat margins; margins entire; tubercles absent, pinnately arranged, terminal leaflet present, stalked; pustules or glands absent. Stipules present and persistent to older leaves. Pedicel present, 3-4 mm long, hairy. Bracteoles present and persistent. Calyx 4.5-5 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 9-12 mm long, multicoloured, mostly pink or purple, with some pink or purple spots, streaks or blotches; claws present; standard 10-10.5 mm long, glabrous, not auriculate, wings 9-10 mm long, auriculate, keel 8-9 mm long, not auriculate, glabrous. Stamens ten; anthers 0.7-1 mm long, at two different levels (filaments alternately long and short); filaments united in an open sheath with one free stamen, 5-8 mm long. Ovary stipitate, hairy or glandular; style 12-14 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), 60-65 mm long, 56 mm wide, stipitate, not constricted between the seeds, round in cross-section, glabrous, not beaked. Flowers in March, April, May, June, July and August. Occurs in the Northern and Eremaean Botanical Province, in the Great Sandy Desert, Pilbara, Tanami and Dampierland IBRA regions.

C. Hollister and K.R. Thiele, 24 October 2023

Distribution

IBRA Regions
Central Ranges, Dampierland, Great Sandy Desert, Pilbara, Tanami.
IBRA Subregions
Chichester, Fitzroy Trough, Mann-Musgrave Block, McLarty, Tanami Desert.
Local Government Areas (LGAs)
Derby-West Kimberley, East Pilbara, Halls Creek, Ngaanyatjarraku.