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。通常的花序一多歧聚伞花序。种子椭圆形,倒卵球形椭圆形,或倒三角形的,平滑的表面,具皱褶,或具瘤状的突起或肋。
The VERL, a giant, unbranched glycoprotein comprising 30% of the VE, exists in the vitelline envelope and fuses with lysin by species-specificity. 鲍卵细胞膜上存在细胞溶素受体,它是大的不分支的糖蛋白分子,占据了卵黄膜30%的组分,可以专一性地与细胞溶素相结合。