Tendril unbranched or bifurcate. Inflorescence usually a polychasium. Seeds elliptic, obovoid-elliptic, or obtriangular, surface smooth, corrugated, or with strumose protuberance or ribs.
卷须不分枝叉。通常
花序
多歧聚伞花序。种子椭圆形,
卵球形椭圆形,
角形
,平滑
表面,具皱褶,
具瘤状
突起
肋。