- Reference
- Bot.Jahrb.Syst. 86:394-395 (1967)
- Conservation Code
- Not threatened
- Naturalised Status
- Native to Western Australia
- Name Status
- Current
Low-growing or prostrate perennial, herb, 0.15-0.4(-1.3) m high. Fl. purple-violet, Apr to Oct. Red or white sand, clay, red loam. Coastal sandhills, claypans, sandplains, creeklines, floodplains.
Scientific Description
Erect or prostrate,spreading or scrambling, herb. Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, continuous with stem, 50-115 mm long, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent, leaflets 13-19, 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, 1-1.2 mm long, hairy, not striate. Calyx 4.5-5.5 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 9-13.5 mm long, uniformly coloured, purple; claws present; standard 7-13 mm long, glabrous, not auriculate, wings 6-9 mm long, auriculate, keel 8-10 mm long, not beaked, auriculate, glabrous. Stamens ten; anthers 0.5-0.7 mm long, at two different levels (filaments alternately long and short); filaments united in an open sheath with one free stamen, 6-8 mm long. Ovary stipitate, hairy or glandular; style 10-14 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), 10-12 mm long, 6-7 mm wide, stipitate, not constricted between the seeds, round in cross-section, glabrous. Flowers in April, May, June, July, August, September and October. Occurs in the Northern, Eremaean and South-West Botanical Province, in the Great Sandy Desert, Pilbara, Carnarvon, Gascoyne, Yalgoo, Murchison, Dampierland, Geraldton Sandplains and Avon Wheatbelt IBRA regions.
Distribution
- IBRA Regions
- Avon Wheatbelt, Carnarvon, Dampierland, Gascoyne, Geraldton Sandplains, Great Sandy Desert, Murchison, Pilbara, Yalgoo.
- IBRA Subregions
- Ashburton, Augustus, Cape Range, Carnegie, Chichester, Edel, Fortescue, Geraldton Hills, Hamersley, McLarty, Merredin, Pindanland, Roebourne, Western Murchison, Wooramel.
- IMCRA Regions
- Pilbara (nearshore), Shark Bay.
- Local Government Areas (LGAs)
- Ashburton, Broome, Carnarvon, Cue, East Pilbara, Exmouth, Karratha, Meekatharra, Mingenew, Murchison, Northampton, Port Hedland, Shark Bay, Upper Gascoyne, Wiluna.