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Swainsona elegans A.T.Lee

Reference
Contr.New South Wales Natl.Herb. 1:189-191 (1948)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Prostrate or ascending annual, herb, 0.07-0.3(-0.5) m high. Fl. purple-blue/purple-red, Jul to Oct. Red sand, loam or clay. Damp, often salty places, stony hilly country.

Amanda Spooner, Descriptive Catalogue, 20 September 1999

Scientific Description

Prostrate,spreading or scrambling, herb. Stems flattened, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, 35-85 mm long, hairy, with simple hairs, flat with recurved margins; margins entire; tubercles absent, leaflets 13-17, pinnately arranged, terminal leaflet present, stalked; pustules or glands absent. Stipules present and persistent to older leaves, 5-10 mm long, without glands, ribless. Pedicel present, 2.5-3 mm long, hairy. Bracteoles present and persistent. Calyx 6-7.5 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 13-15.5 mm long, multicoloured, mostly red, purple or blue, with some red, purple or blue spots, streaks or blotches; claws present; standard 11-15 mm long, glabrous, not auriculate, wings 9-10 mm long, not auriculate, keel 11-13 mm long, not beaked, not auriculate, glabrous. Stamens ten; anthers 0.6-0.7 mm long, at two different levels (filaments alternately long and short); filaments united in an open sheath with one free stamen, 7-8.2 mm long. Ovary stipitate, hairy or glandular; style 9-15 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, hairy, with simple hairs, not beaked. Flowers in July, August, September and October. Occurs in the Eremaean and South-West Botanical Province, in the Carnarvon, Yalgoo, Murchison and Avon Wheatbelt IBRA regions.

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

Distribution

IBRA Regions
Avon Wheatbelt, Carnarvon, Gascoyne, Murchison, Yalgoo.
IBRA Subregions
Ashburton, Eastern Murchison, Merredin, Tallering, Western Murchison, Wooramel.
Local Government Areas (LGAs)
Ashburton, Carnarvon, Cue, Meekatharra, Morawa, Mount Magnet, Mukinbudin, Murchison, Sandstone, Yalgoo.