Thomasia glabripetala S.J.Patrick

Scientific Description

Shrub, with hairy stems. Leaves 18-50 mm long, 7-25 mm wide, not lobed; margins entire; hairy, with stellate hairswith scales absent, Sessile glands absent; stipules present but early deciduous (only visible on youngest leaves), 7-10 mm long. Perianth of two whorls but the corolla reduced to small scales or tiny lobes at the base of the ovary. Pedicel present, 4.2-6 mm long; indumentum present, with stellate hairs present, with scales absent. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) present, 7-10 mm long, the lobes free, indumentum present, stellate hairs presentwith scales absent, Sessile glands absent. Calyx pink or purple, 8-14 mm long, the lobes fused half or more of their length, Sessile glands absent, simple hairs (without tubercle bases) absent, stellate hairs present, tubercle-based simple hairs absent, gland-tipped hairs absent, scales scales present, Terminal appendages absent, number of ribs present, one. Corolla 1-2.2 mm long, glabrous. Indumentum (outside) Sessile glands absent. Stamens five, free and inserted at the base of the ovary; filaments present, 2-5 mm long; anthers 3.2-5.5 mm long, indumentum absent (anthers glabrous). Staminodes present, appendages absent. Ovary hairs and scales absent (ovary quite glabrous); style 1, with a lobed or capitate stigma, 3-6.2 mm long, with one style branches or lobes, mostly glabrous, wing absent. Flowering time September or October. Distribution Botanical Province South-West, IBRA Bioregion Avon Wheatbelt. Conservation Code Threatened (T).