Erect shrublet to 50 cm. Leaves often tufted, spreading or suberect, linear-lanceolate, margins revolute, slightly toothed below. Flowers grouped in upper axils, white with darker reverse, ± 5 mm diam., tube to 1 mm long, ovary glabrous.
Shrublet, erect, 0.2-0.5 m high. Leaves often in clusters, spreading, linear-lanceolate, margins revolute, often toothed near base. Flowers white with darker reverse, in groups in upper axils. Flowering time Sept.-Mar.