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Thomasia pygmaea (Turcz.) Benth.
Tiny Thomasia

Fl.Austral. 1:257 (1863)
Conservation Code
Priority Three
Naturalised Status
Native to Western Australia
Name Status

Low shrub, 0.05-0.3 m high. Fl. blue-purple-pink, Aug to Oct. Stony sandy loam, clayey sand. Marine plains.

Grazyna Paczkowska, Descriptive Catalogue, 2 October 1996

Scientific Description

Shrub, with glabrous or scaly stems. Leaves 7-10 mm long, 5-10 mm wide, not lobed; margins entire; hairywith scales scales, Sessile glands absent; stipules present but early deciduous (only visible on youngest leaves). Perianth of two whorls but the corolla reduced to small scales or tiny lobes at the base of the ovary. Pedicel present, 8-9 mm long; indumentum present, with stellate hairs absent, with gland tipped hairs absent, with scales scales. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) present, 1.5-2 mm long, the lobes free, indumentum presentwith scales scales, Sessile glands absent. Calyx pink, blue or purple, 7-10 mm long, the lobes fused less than half their length, Sessile glands absent, simple hairs (without tubercle bases) absent, stellate hairs absent, tubercle-based simple hairs absent, gland-tipped hairs absent, scales scales present, Terminal appendages absent, number of ribs present, one. Corolla glabrous. Stamens five, free and inserted at the base of the ovary; filaments present, 1.8-2 mm long; anthers 1.5-1.8 mm long, indumentum absent (anthers glabrous). Staminodes absent, appendages absent. Ovary hairs or scales present, simple hairs absent, stellate hairs absent, gland-tipped hairs absent; style 1, with a lobed or capitate stigma, 1-2 mm long, with one style branches or lobes, mostly glabrous, wing present. Flowering time August, September or October. Distribution Botanical Province South-West, IBRA Bioregion Mallee and Esperance. Conservation Code Priority Three (P3).

C. Hollister and K.R. Thiele, 11 August 2023


IBRA Regions
Esperance Plains, Mallee.
IBRA Subregions
Fitzgerald, Recherche, Western Mallee.
Local Government Areas (LGAs)
Albany, Esperance, Gnowangerup, Jerramungup, Ravensthorpe.