Divaricate shrub to c. 1.5 m high, mostly glabrous except for a band of stellate hairs above leaf attachment; branches often spinescent, non-tuberculate. Leaves alternate, linear-lanceolate to -oblanceolate, mostly 5–15 mm long and 1–4 mm wide, glabrous or obscurely pubescent, obtuse, often mucronate, margins entire. Inflorescences 1-flowered. Flowers zygomorphic, sessile; sepals usually 4, lanceolate, 2.5–6.5 mm long, acuminate, imbricate, glabrous or pubescent, green; corolla usually 9–20 mm long, densely stellate-pubescent outside, pubescent inside, mauve to pinkish-lilac, spotted, upper lip 2-lobed; stamens 4, included, anthers reniform; ovary glabrous, style pilose with branched and unbranched hairs. Fruit ovoid to conical, 5–9 mm long, 2–4.5 mm diam., dry, splitting at apex, glabrous. Flowers mostly Nov.–Apr.
MuM, VRiv, MSB, RobP, MuF. In Victoria confined to woodland communities along the floodplain of the Murray River system north-west from Kerang.
