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Chorizema humile Turcz.

Reference
Bull.Soc.Imp.Naturalistes Moscou 26(1):254 (1853)
Conservation Code
Threatened
A taxon name retains its ‘Threatened’ status until a new name has been officially endorsed and appears in the Gazettal Notice.
Naturalised Status
Native to Western Australia
Name Status
Current

Sprawling, prostrate or decumbent shrub. Fl. yellow & red/brown, Jul to Sep. Sandy clay or loam. Plains.

Grazyna Paczkowska, Descriptive Catalogue, 28 May 1996
Image

Scientific Description

Prostrate,spreading or scrambling, shrub, spindly shrub (broom-like). Stems terete, not spiny, glabrous; pustules or glands absent. Leaves or phylloclades clearly present, simple, alternate, not continuous with stem, 5-15 mm long, 3-8 mm wide, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent; pustules or glands absent. Stipules 1-1.1 mm long, without glands, ribless. Pedicel present, 1.5-2.5 mm long, hairy. Bracteoles present and persistent or present but early deciduous, 1.5 mm long, hairy, not striate. Calyx 4.5-6.5 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 9-11 mm long, multicoloured, mostly yellow, red or brown, with some yellow, red or brown spots, streaks or blotches; claws present; standard 10.5-10.9 mm long, glabrous, not auriculate, wings 8-10 mm long, not auriculate, keel 9-9.5 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 free (or united at the very base), 5-7 mm long. Ovary hairy or glandular; style 6-7 mm long, hairy or glandular towards the base, not bearded, terete. Fruit dehiscent (a pod or follicle), stipitate, not constricted between the seeds, round in cross-section, not beaked. Flowers in July, August and September. Occurs in the South-West Botanical Province, in the Geraldton Sandplains and Avon Wheatbelt IBRA regions. Conservation Code Threatened (T).

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

Distribution

IBRA Regions
Avon Wheatbelt, Geraldton Sandplains.
IBRA Subregions
Geraldton Hills, Katanning, Merredin.
Local Government Areas (LGAs)
Carnamah, Coorow, Dowerin, Greater Geraldton, Irwin, Moora, Perenjori.