Shrub or small tree to c. 7 m high, much-branched, glabrous, resinous; branches non-tuberculate. Leaves alternate, linear to linear-lanceolate, mostly 7–20 cm long and 4.5–14 mm wide, viscid when mature, acuminate, margins entire or rarely toothed towards apex. Inflorescences mostly 1-flowered; pedicels 5–24 mm long, curved. Flowers zygomorphic; sepals ovate, 5–10.5 mm long, acuminate, imbricate, green; corolla 20–30 mm long, glabrous outside, pubescent inside tube and on lower lobe, usually creamy-white, spotted, upper lip 2-lobed; stamens 4, shortly exserted, anthers reniform; ovary glabrous, style glabrous. Fruit ovoid, 15–20 mm long, 10–15 mm diam., dry, splitting near apex, glabrous, greenish. Flowers mainly Jun.–Nov.
MuM, MSB, RobP. All mainland States except ACT. In Victoria confined to the far north-west and considered endangered in this State. Found along river flats and in depressions in woodlands on heavy clay soils.
