Description from Flora of China
Shrubs dwarf, evergreen, densely pulvinate. Leaves crowded, sessile; leaf blade linear or linear-elliptic, small, leathery, margin serrate or long-ciliate, apex subacute or ending in a gland. Inflorescence terminal, racemose or subcapitate. Bracts and bracteoles leaflike, margin glandular-ciliate. Calyx lobes 5, leathery, margin glandular-ciliate. Corolla rose, small, deciduous; tube cylindric; lobes 5, patent. Stamens 10, included: 5 basal or hypogynous, 5 inserted high on corolla and alternating with corolla lobes; anthers elliptic, dehiscing longitudinally. Ovary globose, 5-celled, glabrous; style short; stigma capitate, 5-lobed. Capsule globose, enclosed by calyx, septicidally 5-valved; wall of cells splitting into two layers. Seeds many; testa with reticulate veins.
Two species: China, Myanmar, Sikkim; two species in China.
(Authors: Yang Hanbi (杨汉碧 Yang Han-pi); David F. Chamberlain)