Shrubs, evergreen, 0.5-2 m tall. Leaves imparipinnate; stipules herbaceous; leaflets opposite, linear and entire, conduplicate; stipels absent. Flowers clustered at ends of branches; bracts and bractlets small, bractlets well below calyx; pedicel present. Calyx campanulate; teeth 5, deltoid, upper 2 partially connate; disk adnate to calyx base. Petals all clawed; standard obovate, apex emar­ginate; wings oblong; keel boat-shaped. Stamens diadelphous; anthers homomorphic, dorsifixed. Ovary with long stalk. Legumes linear-oblong, compressed, stalked, 2-valved; segments thinly papery. Seeds ovate, compressed.

● One species: China.

(Authors: Sun Hang (孙航); Michael A. Vincent)