Shrubs diffuse, with paired prickles below leaves. Leaflets 5–9; stipules adnate to petiole, narrow, with subulate auricles. Flowers 1 or 2 or in compound corymbs, with small deciduous bracts, or bracts absent. Hypanthium cupular, densely prickly. Sepals persistent, erect, pinnately lobed or entire. Carpels on projected torus at base of hypanthium; styles free, not exserted.

Three species: E Asia; three species (two endemic) in China.