Erect shrub to 75 cm high. Branches ascending, stellate-puberulous; decurrent leaf bases faint. Leaves opposite or whorled, often congested, ascending, sessile, semiterete or narrowly elliptic, 5–10 mm long, acute, concave or channelled above, glabrous or stellate-puberulous. Flowers solitary in uppermost leaf-axils; pedicel turbinate, 1–3 mm long, stellate-puberulous; bracteoles foliaceous, c. 1.5 mm long. Sepals triangular to ovate-acuminate, 2–3 mm long, thick, prominently glandular, sparsely stellate-pubescent. Petals elliptic, 5–6 mm long, thin, prominently glandular all over, moderately stellate-pubescent, pale pink. Stamens: filaments compressed-terete, glandular-verrucose towards apex, ciliate; anthers minutely apiculate. Ovary pubescent; style terete, 0.5 mm long, sparsely pilose; stigma subcapitate.