Hemigenia rigida Benth.
A.DC., Prodr. 12:565 (1848)

Conservation Code: Priority One
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Grazyna Paczkowska, Friday 13 December 1996

Upright or spreading shrub, 0.1-0.6(-1) m high. Fl. blue-purple/violet, Aug to Dec or Jan. Sandy soils, lateritic gravelly soils. Hillslopes, granite outcrops, flats, ironstone ridges.


Beard’s Provinces: South-West Province.

IBRA Regions: Avon Wheatbelt.

IBRA Subregions: Avon Wheatbelt P2.

Local Government Areas (LGAs): West Arthur, Woodanilling.

Scientific Description
C. Hollister and K.R. Thiele, Tuesday 21 January 2020

Shrubs. Stems, cross section square or more or less circular. Peltate scales absent. Leaves 25-30 mm long, 0.8 mm wide, opposite, entire, not bullate, not viscid. Margins entire. Bracteoles present, 6 mm long. Bracts absent. Pedicel present, 15-20 mm long, peltate scales absent (glabrous). Calyx with three lobes, 10-13 mm long, not accrescent, not bullate. Corolla blue, 15-20 mm long, Dots or stripes in throat present, not viscid, with four stamens, style 8-9.5 mm long, filament 3.5-4.5 mm long, anthers 1.2-1.5 mm long. Appendage present. Flowering time January, August, September, October, November or December. Distribution Botanical Province South-West, IBRA Bioregion Swan Coastal Plain, Avon Wheatbelt, Jarrah Forest or Warren. Conservation Code Priority One (P1).