Tendril unbranched or bifurcate. Inflorescence usually a polychasium. Seeds elliptic, obovoid-elliptic, or obtriangular, surface smooth, corrugated, or with strumose protuberance or ribs.
卷不
二叉。通常的花序一多歧聚伞花序。种子椭圆形,倒卵球形椭圆形,
倒三角形的,平滑的表面,具皱褶,
具瘤状的突起
肋。