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Petrophile biternata Meisn.

Hooker's J.Bot.Kew Gard.Misc. 7:69 (1855)
Conservation Code
Priority Three
Naturalised Status
Native to Western Australia
Name Status

Stout, rigid, non-lignotuberous shrub, 0.8-1.5 m high. Fl. yellow/cream-yellow, Aug to Oct. Yellow/grey sand & gravel, laterite, quartzite soils. Lateritic ridges, plains.

Grazyna Paczkowska, Descriptive Catalogue, 22 August 1995

Scientific Description

Shrubs, 1-2 m high; branchlets hairy, with curled hairs. Leaves alternate, 20-70 mm long, hairy or glabrous; lamina flat, once divided or twice or more divided, pinnately divided, divided to the midrib, with 5-10 points or lobes; distance from base of leaf to lowest lobe 15-30 mm. Inflorescences viscid, cream or yellow. Perianth 12-16 mm long, glabrous; pistil 12-17 mm long; pollen presenter fusiform, hairy, 3-6 mm long. Cone with persistent scales, 25-30 mm long. Flowers in August, September or October. Occurs in the South-west (SW) Botanical Province(s), in the Geraldton Sandplains (GS), Swan Coastal Plain (SWA), Avon Wheatbelt (AW) or Jarrah Forest (JF) IBRA subregion(s). : Conservation code Priority Three (P3).

C. Hollister and K.R. Thiele, 19 January 2024


IBRA Regions
Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest, Swan Coastal Plain.
IBRA Subregions
Dandaragan Plateau, Katanning, Lesueur Sandplain, Northern Jarrah Forest, Perth.
Local Government Areas (LGAs)
Carnamah, Coorow, Dandaragan, Gingin, Moora, Victoria Plains.