Decumbent or erect shrub to c. 2 m high, glabrous; branches tuberculate. Leaves alternate, clustered, linear, oblong, obovate to oblanceolate, mostly 3.5–40 mm long and 2–8 mm wide, both surfaces often prominently tuberculate, glabrous, green or brownish, apex obtuse or rarely acute, margins entire or rarely toothed; c. sessile. Inflorescences 1–6-flowered; pedicels 3.5–9 mm long, glabrous, often tuberculate. Sepals ovate, 1.2–4.5 mm long, acute, imbricate basally, glabrous or sometimes with glandular hairs on margins; corolla 4–6 mm long, glabrous outside often with tubercles on lobes, inside of lobes more or less glabrous, white or pink, often spotted, throat pilose; stamens exserted; ovary and style glabrous. Fruit globose, c. 5 mm diam., white, drying brownish. Flowers mainly Oct.–Feb.
MuM, GipP. Also WA, SA. Currently known in Victoria from a few plants growing in mallee scrub on red sand over limestone near Boinka, about 70 km west of Ouyen.
