Lasiopetalum quercifolium Andrews Thomasia quercifolia, commonly known as oak leaved thomasia,[2] is a flowering plant in the family Malvaceae and is endemic to the south-west of Western Australia.

It has egg-shaped, lobed leaves with a heart-shaped base, and pink to mauve flowers.

Thomasia quercifolia is a densely-branched, low shrub that typically grows to 10–30 cm (3.9–11.8 in) high and 80–100 cm (31–39 in) wide, the stems covered with rust-coloured, star-shaped hairs.

[6] Oak leaved thomasia grows in coastal heath over limestone near the south coast of Western Australia, between the Walpole-Nornalup National Park and Bremer Bay in the Jarrah Forest and Warren bioregions of south-western Western Australia.

[3][2][4] Thomasia quercifolia is listed as "Priority Four" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions,[2] meaning that it is rare or near threatened.