Tendril unbranched or bifurcate. Inflorescence usually a polychasium. Seeds elliptic, obovoid-elliptic, or obtriangular, surface smooth, corrugated, or with strumose protuberance or ribs.
卷须不分枝二叉。通常的花序一
伞花序。种子椭圆形,倒卵球形椭圆形,
倒
角形的,平滑的表面,具皱褶,
具瘤状的突
。