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Isotropis cuneifolia subsp. glabra Keighery

Nuytsia 13:472,Fig.1 (2001)
Conservation Code
Priority Three
Naturalised Status
Native to Western Australia
Name Status

Prostrate to ascending, spreading perennial, herb or shrub, 0.05-0.15 m high. Fl. yellow/orange & red, Sep. Sand, clay loam. Winter-wet flats.

Amanda Spooner, Descriptive Catalogue, 25 August 1997

Scientific Description

Prostrate,spreading or scrambling, herb. Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, alternate, continuous with stem, 14-50 mm long, 5-7 mm wide, glabrous, flat with flat margins; margins entire; tubercles absent; pustules or glands absent. Stipules present and persistent to older leaves. Pedicel present, 40-45 mm long, hairy. Bracteoles present and persistent, 2.5-4 mm long, hairy, not striate. Calyx 8.5-11 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 14-26 mm long, multicoloured, mostly yellow, red, orange or brown, with some yellow, red, orange or brown spots, streaks or blotches; claws absent; standard 14.5-25 mm long, glabrous, not auriculate, wings 13-19.5 mm long, not auriculate, keel 14-18.5 mm long, not beaked, not auriculate, hairy at least in part. Stamens ten; anthers 1.2-1.4 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 11-19.2 mm long. Ovary sessile or subsessile, hairy or glandular; style 13-19 mm long, hairy or glandular towards the base, not bearded, terete. Fruit dehiscent (a pod or follicle), sessile or subsessile, not constricted between the seeds, round in cross-section, not beaked. Flowers in September. Occurs in the South-West Botanical Province, in the Swan Coastal Plain IBRA regions. Conservation Code Priority Three (P3).

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


IBRA Regions
Avon Wheatbelt, Swan Coastal Plain.
IBRA Subregions
Dandaragan Plateau, Katanning, Perth.
Local Government Areas (LGAs)
Chittering, Dandaragan, Gingin, Gosnells, Moora.