Tendril unbranched or bifurcate. Inflorescence usually a polychasium. Seeds elliptic, obovoid-elliptic, or obtriangular, surface smooth, corrugated, or with strumose protuberance or ribs.
卷须不分枝或二叉。通常花序一多歧聚伞花序。
圆
,倒卵球
圆
,或倒三角
,平滑
,具皱褶,或具瘤状
突起或肋。