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Mirbelia multicaulis (Turcz.) Benth.

Reference
Fl.Austral. 2:37 (1864)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Erect, rigid shrub, 0.15-0.5 m high. Fl. yellow/orange & red/brown, Sep to Oct. Sandy soils. Plains.

Grazyna Paczkowska, Descriptive Catalogue, 24 July 1996

Scientific Description

Erect, shrub, spindly shrub (broom-like). Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, opposite, continuous with stem, 2.5-5 mm long, 1.6-2 mm wide, hairy, with simple hairs, flat with incurved margins (conduplicate); margins entire; tubercles absent; pustules or glands absent. Stipules present but early deciduous ( only visible on youngest leaves ). Pedicel present, 1.5-2 mm long, hairy. Bracteoles present and persistent, 0.8 mm long, hairy, not striate. Calyx 3.2-5 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 9-11.5 mm long, multicoloured, mostly yellow, red, orange or brown, with some yellow, red, orange or brown spots, streaks or blotches; claws absent; standard 8.5-10.5(-10.6) mm long, glabrous, not auriculate, wings 7-10 mm long, not auriculate, keel 6.5-9.6 mm long, not beaked, not auriculate, glabrous. Stamens ten; anthers 0.4-0.5 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 5-7.5 mm long. Ovary hairy or glandular; style 6.8-9 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 September and October. Occurs in the Eremaean and South-West Botanical Province, in the Coolgardie, Avon Wheatbelt, Jarrah Forest, Mallee and Esperance IBRA regions.

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

Distribution

IBRA Regions
Avon Wheatbelt, Coolgardie, Esperance Plains, Jarrah Forest, Mallee.
IBRA Subregions
Eastern Goldfield, Eastern Mallee, Fitzgerald, Merredin, Southern Cross, Southern Jarrah Forest, Western Mallee.
Local Government Areas (LGAs)
Albany, Coolgardie, Dowerin, Dumbleyung, Esperance, Gnowangerup, Kellerberrin, Kent, Kondinin, Kulin, Lake Grace, Merredin, Morawa, Mount Marshall, Nungarin, Ravensthorpe.