Shrub 0.5–2 m high, with slender branches, glabrous except inflorescence. Leaves sessile, slender-terete, generally c. 2 cm long (range 1–3 cm long), mucronate, channelled above. Flowers axillary and terminal, solitary or in small cymes; pedicels c. 4 mm long, thickened towards apex, glabrous or puberulous in lines between decurrent sepal bases, otherwise glabrous. Sepals broadly ovate or orbicular, 1.5–2 mm long, thick, with scarious margin, glabrous. Petals elliptic, c. 8 mm long, obtuse, glabrous, pale red to purple. Stamens: filaments terete, woolly-ciliate; antisepalous ones thickened and glandular-verrucose towards apex; anthers minutely apiculate. Ovary glabrous; style slender-terete, sparsely pilose towards apex; stigma small, capitate.