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Isotropis canescens F.Muell.

Reference
Fragm. 10:51 (1876)
Conservation Code
Priority Two
Naturalised Status
Native to Western Australia
Name Status
Current

Prostrate perennial, herb, to 0.3 m high. Fl. yellow & red, Aug. Yellow clayey sand. Sandplains.

Grazyna Paczkowska, Descriptive Catalogue, 20 June 1996

Scientific Description

Prostrate,spreading or scrambling or twining or climbing plants, herb. Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, alternate, continuous with stem, 12-20 mm long, 5-10 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, 2-2.5 mm long, without glands, ribless. Pedicel present, 2.5-4.5 mm long, hairy. Bracteoles present and persistent, 1.6-2 mm long, hairy, not striate. Calyx 7-8 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 9-12 mm long, multicoloured, mostly yellow or red, with some yellow or red spots, streaks or blotches; claws absent; standard 7.5-9 mm long, glabrous, not auriculate, wings 7-9 mm long, not auriculate, keel 7-9 mm long, not beaked, not auriculate, glabrous. Stamens ten; anthers 0.6-0.8 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 5.5-8 mm long. Ovary sessile or subsessile, hairy or glandular; style 6.5-7.5 mm long, hairy or glandular towards the base, not bearded, terete. Fruit dehiscent (a pod or follicle), 18-25 mm long, 5-7 mm wide, sessile or subsessile, not constricted between the seeds, round in cross-section, hairy, with simple hairs, not beaked. Flowers in August. Occurs in the Eremaean Botanical Province, in the Great Victorian Desert IBRA regions. Conservation Code Priority Two (P2).

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

Distribution

IBRA Regions
Great Victoria Desert, Murchison.
IBRA Subregions
Eastern Murchison, Shield.
Local Government Areas (LGAs)
Kalgoorlie-Boulder, Menzies.