Perennial herb or small much-branched clump-forming shrub to 30 cm. high, the branches spreading from a woody rootstock; branchlets pubescent with ± spreading hairs.. Leaves subsessile; blade elliptic, 0.8–2.1 cm. long, 0.45–1.2 cm. wide, obtuse but mucronulate at the apex, rounded at the base, pubescent with ± spreading hairs; petiole about 1 mm. long.. Flowers in usually one-flowered pedunculate axillary cymes; peduncle 0.6–2.5 cm. long.. Sepals elliptic or obovate, about 3–5 mm. long and 1.5–2.5 mm. wide, with acute herbaceous apex and coriaceous base, pubescent.. Corolla white, 5–6 mm. long.. Capsule 4.5 mm. long, globose, glabrous.. Seeds ovoid, black, 2.5 mm. long.