Shrubs deciduous or evergreen; buds small, with several narrow scales. Leaves imparipinnate; stipules linear to lanceolate; rachis narrowly winged; leaflets opposite, sessile or shortly petiolulate, small, margin entire. Corymb terminal, numerous flowered; bracts caducous. Hypanthium campanulate. Sepals 5. Petals 5, white. Stamens 20. Ovary inferior; 5-loculed, with 1 ovule per locule; styles 5, free. Fruit a small pome, with persistent erect sepals; seeds erect; cotyledons plano-convex.

About five species: E Asia; three species (one endemic) in China.

(Authors: Gu Cuizhi (Ku Tsue-chih); Stephen A. Spongberg)