Leaves opposite, 1-foliolate [or digitately 3-foliolate].Inflorescences axillary or basal to leaves, cymulose to thyrsiform [or reduced to solitary flowers].

• 叶对生，单身复叶[掌状的或3具小叶].；花序腋生或位于叶基部，聚伞花序到聚伞圆锥花序状[或花退化为单生]。