1.Tendril unbranched or bifurcate. Inflorescence usually a polychasium. Seeds elliptic, obovoid-elliptic, or obtriangular, surface smooth, corrugated, or with strumose protuberance or ribs.

1.卷须不二叉。通常的花序一多歧聚伞花序。种子椭圆，倒卵球椭圆，倒三角的，平滑的表面，具皱褶，具瘤状的突起肋。

2.The VERL, a giant, unbranched glycoprotein comprising 30% of the VE, exists in the vitelline envelope and fuses with lysin by species-specificity.

2.鲍卵细胞膜上存在细胞溶素，是大的不支的糖蛋白子，占据了卵黄膜30％的组，可以专一性地与细胞溶素相结合。