Tendril unbranched or bifurcate. Inflorescence usually a polychasium. Seeds elliptic, obovoid-elliptic, or obtriangular, surface smooth, corrugated, or with strumose protuberance or ribs.
卷须不分枝或叉。通常的花序一多歧聚伞花序。种子椭
,
卵球
椭
,或
三角
的,平滑的表面,具皱褶,或具瘤状的突起或肋。