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Thomasia sp. Arthur River (H.F. & M. Broadbent 1409)

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

Brief Description
Amanda Spooner, Thursday 9 October 1997

Shrub. Fl. pink-purple, Sep. Sandplain.

Distribution

Beard’s Provinces: South-West Province.

IBRA Regions: Avon Wheatbelt, Jarrah Forest.

IBRA Subregions: Avon Wheatbelt P2, Northern Jarrah Forest.

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

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

Shrub. Stems hairy. Leaves 5-10 mm long, 3-7 mm wide, not lobed; margins entire or dentate; indumentum present, with stellate hairs; stipules present but early deciduous (only visible on youngest leaves), 2.4-3.2 mm long. Perianth of two whorls but the corolla reduced to small scales or tiny lobes at the base of the ovary. Pedicel present, 4-5.5 mm long; indumentum present, with stellate hairs. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) present, 2-3 mm long, the lobes free, indumentum present, stellate hairs present. Calyx pink or purple, 4-6 mm long, the lobes fused half or more of their length, stellate hairs present, number of ribs present, one. Corolla 0.8-1 mm long, glabrous. Stamens five, free and inserted at the base of the ovary; filaments present, 1.2-1.8 mm long; anthers 1.7-2.1 mm long. Ovary hairs or scales present, stellate hairs present; style 1, with a lobed or capitate stigma, 2-2.5 mm long, with one style branches or lobes, mostly glabrous. Flowering time September. Distribution Botanical Province South-West, IBRA Bioregion Avon Wheatbelt or Jarrah Forest. Conservation Code Priority One (P1).