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Chorizema trigonum Turcz.

Reference
Bull.Soc.Imp.Naturalistes Moscou 26 (1):254 (1853)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Erect, slender shrub, 0.3-1 m high. Fl. orange-pink/orange-red-yellow, Sep to Nov. Sandy & stony soils. Coastal areas.

Grazyna Paczkowska, Descriptive Catalogue, 29 May 1996
Image

Scientific Description

Erect, 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, 20-60 mm long, 6-20 mm wide, glabrous, flat with flat margins; margins entire; tubercles absent; pustules or glands absent. Pedicel present, 2 mm long, hairy. Bracteoles present and persistent or present but early deciduous, 1 mm long, hairy, not striate. Calyx 7.5-9.4 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 13-14 mm long, multicoloured, mostly yellow, pink, red or orange, with some yellow, pink, red or orange spots, streaks or blotches; claws present; standard 10-12 mm long, glabrous, not auriculate, wings 10-11 mm long, not auriculate, keel 9.8-10 mm long, not beaked, not auriculate, glabrous. Stamens ten; anthers 0.7-0.9 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 4.2-6.6 mm long. Ovary stipitate, hairy or glandular; style 5.5-6 mm long, hairy or glandular towards the base, not bearded, terete. Fruit dehiscent (a pod or follicle), 20 mm long, 6 mm wide, stipitate, not constricted between the seeds, round in cross-section, glabrous, not beaked. Flowers in September, October and November. Occurs in the South-West Botanical Province, in the Esperance IBRA regions.

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

Distribution

IBRA Regions
Esperance Plains.
IBRA Subregions
Fitzgerald, Recherche.
IMCRA Regions
WA South Coast.
Local Government Areas (LGAs)
Jerramungup, Ravensthorpe.