Tendril unbranched or bifurcate. Inflorescence usually a polychasium. Seeds elliptic, obovoid-elliptic, or obtriangular, surface smooth, corrugated, or with strumose protuberance or ribs.
卷须不分枝二
。
的花序一多歧聚伞花序。
子椭圆
,
卵球
椭圆
,
三角
的,平滑的表面,具皱褶,
具瘤状的突起
肋。