An erect or twining East Asian herb (Vigna angularis) of the pea family, having edible sprouts and reddish seeds used to make flour.

• 赤小豆：一种豆科（赤豆豇豆属）直立或偶生的东亚草本植物，具有可食用的籽苗以及可制成面粉的浅红色种子