Thomasia sp. Big Brook (M. Koch 2373)

Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Amanda Spooner, Tuesday 7 October 1997

Bushy shrub, 0.5-2(-3) m high. Fl. pink-purple, Oct to Nov. Peaty sandy or sandy gravelly soils. Along watercourses, swamps.


Beard’s Provinces: South-West Province.

IBRA Regions: Jarrah Forest, Warren.

IBRA Subregions: Northern Jarrah Forest, Southern Jarrah Forest, Warren.

Local Government Areas (LGAs): Albany, Augusta Margaret River, Collie, Dardanup, Harvey, Kojonup, Manjimup, Nannup, Plantagenet, Waroona.

Scientific Description
C. Hollister and K.R. Thiele, Wednesday 15 January 2020

Shrub. Stems hairy. Leaves 30-95 mm long, 12-60 mm wide, not lobed; margins sinuate; indumentum present, with stellate hairs; stipules present but early deciduous (only visible on youngest leaves), 8-20 mm long. Perianth of two whorls but the corolla reduced to small scales or tiny lobes at the base of the ovary. Pedicel present, 3-4 mm long; indumentum present, with stellate hairs. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) present, 2.7-4 mm long, the lobes free, indumentum present, stellate hairs present. Calyx pink or purple, 4-7.5 mm long, the lobes fused half or more of their length, stellate hairs present, number of ribs present, one. Stamens five, free and inserted at the base of the ovary; filaments present, 1.2-1.5 mm long; anthers 2-3 mm long. Ovary style 1, with a lobed or capitate stigma, 2-2.5 mm long, with one style branches or lobes, mostly glabrous. Flowering time October or November. Distribution Botanical Province South-West, IBRA Bioregion Jarrah Forest or Warren.