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Mirbelia ramulosa (Benth.) C.A.Gardner

Reference
Enum.Pl.Austral.Occ. 57 (1930)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Erect, much-branched, spiny shrub, (0.1-)0.3-2 m high. Fl. yellow & red/purple/brown, Jun to Nov. White, yellow or red sand, sandy clay, limestone. Granite outcrops, rocky hills, sand dunes, sandplains.

Grazyna Paczkowska, Descriptive Catalogue, 25 July 1996
Image

Scientific Description

Prostrate,spreading or scrambling, shrub, spindly shrub (broom-like). Stems angular, spiny at least in part, glabrous; pustules or glands absent. Leaves or phylloclades absent or apparently so (reduced to scales), alternate, continuous with stem, glabrous, flat with flat margins; margins entire; tubercles absent; pustules or glands absent. Stipules present but early deciduous ( only visible on youngest leaves ). Pedicel present, 3-3.5 mm long, hairy. Bracteoles present and persistent, 1.3-1.8 mm long, hairy, not striate. Calyx 5.5-7 mm long, not accrescent, hairy, with simple hairs, ribbed; pustules or glands absent. Corolla 10.5-14.5 mm long, multicoloured, mostly yellow, red or purple, with some yellow, red or purple spots, streaks or blotches; claws absent; standard 9-12 mm long, glabrous, not auriculate, wings 7.5-9 mm long, not auriculate, keel 6-7 mm long, not beaked, not auriculate, glabrous. Stamens ten; anthers 0.5-0.6 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 4.2-6 mm long. Ovary glabrous; style 5.2-5.7 mm long glabrous, not bearded, terete. Fruit dehiscent (a pod or follicle), 10 mm long, 6 mm wide, stipitate, not constricted between the seeds, round in cross-section, glabrous, not beaked. Flowers in June, July, August, September, October and November. Occurs in the Eremaean and South-West Botanical Province, in the Great Sandy Desert, Carnarvon, Central Ranges, Yalgoo, Murchison, Coolgardie, Geraldton Sandplains, Avon Wheatbelt, Jarrah Forest, Mallee, Esperance and Swan Coastal Plain IBRA regions.

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

Distribution

IBRA Regions
Avon Wheatbelt, Carnarvon, Central Ranges, Coolgardie, Esperance Plains, Geraldton Sandplains, Great Sandy Desert, Great Victoria Desert, Jarrah Forest, Mallee, Murchison, Swan Coastal Plain, Yalgoo.
IBRA Subregions
Cape Range, Eastern Goldfield, Eastern Mallee, Eastern Murchison, Edel, Fitzgerald, Geraldton Hills, Katanning, Lesueur Sandplain, Mackay, Mann-Musgrave Block, Merredin, Northern Jarrah Forest, Perth, Recherche, Shield, Southern Cross, Tallering, Western Mallee, Western Murchison, Wooramel.
Local Government Areas (LGAs)
Albany, Armadale, Bruce Rock, Carnamah, Carnarvon, Chapman Valley, Coolgardie, Corrigin, Cue, Dalwallinu, Dandaragan, Dowerin, Esperance, Exmouth, Goomalling, Gosnells, Greater Geraldton, Jerramungup, Kalgoorlie-Boulder, Kellerberrin, Koorda, Kulin, Lake Grace, Menzies, Merredin, Moora, Morawa, Mount Marshall, Mukinbudin, Mundaring, Murchison, Narembeen, Ngaanyatjarraku, Northam, Northampton, Nungarin, Perenjori, Ravensthorpe, Shark Bay, Tammin, Victoria Plains, Westonia, Wongan-Ballidu, Yalgoo, Yilgarn, York.