Chorizema humile Turcz.
Bull.Soc.Imp.Naturalistes Moscou 26(1):254 (1853)

Conservation Code: Threatened Flora (Declared Rare Flora — Extant)
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Grazyna Paczkowska, Tuesday 28 May 1996

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


Beard’s Provinces: South-West Province.

IBRA Regions: Avon Wheatbelt, Geraldton Sandplains.

IBRA Subregions: Avon Wheatbelt P1, Avon Wheatbelt P2, Geraldton Hills.

Local Government Areas (LGAs): Carnamah, Coorow, Dowerin, Greater Geraldton, Irwin, Moora.

Scientific Description
C. Hollister and K.R. Thiele, Friday 4 December 2020

Prostrate,spreading or scrambling, shrub, spindly shrub (broom-like). Stems terete, 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. Pedicel present, 1.5-2.5 mm long, hairy. Bracteoles present and persistent or present but early deciduous, 1.5 mm long, hairy. Calyx 4.5-6.5 mm long, not accrescent, hairy, with simple hairs; 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 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, 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).