Dense divaricate shrub to c. 3 m high, usually glabrous; branches non-tuberculate. Leaves alternate, scattered (defoliating in drought), linear, mostly 1.5–5 cm long and 1–3 mm wide, glabrous, often viscid when young, usually acute, margins entire. Inflorescences 1(–2)-flowered; pedicels 1–2.5 mm long, straight. Flowers zygomorphic; sepals ovate, 3.5–7 mm long, acute, imbricate, green; corolla 20–35 mm long, glabrous outside, partially villous inside, pinkish, spotted, upper lip 2-lobed; stamens 4, included, anthers reniform; ovary glabrous, style glabrous. Fruit narrow-obloid, 8.5–13 mm long, 4–6 mm diam., fleshy, splitting near apex, glabrous, greenish. Flowers mainly Oct.–May (spasmodically throughout the year).
MuM, MSB, RobP. Also NT, SA, Qld, NSW. In Victoria confined to the far north-west between Mildura and the South Australian border and considered vulnerable in this State. Occurs along river flats and in depressions, mainly in Eucalyptus largiflorens forests and woodlands on heavy clay soils.
