1. an obovoid fruit.
   倒卵球形的果实
2. Nutlets 4, obovoid, netted on back, areole nearly 1/2 as long as nutlet.
   小坚果4，倒卵球形，在后面，小窠差不多1/2的倍于小坚果上得到。
3. Fruit dehiscent silicles or rarely siliques, obpyriform, obovoid, or rarely linear, shortly stipitate;
   果开裂短角果或很少长角果，倒梨形，倒卵球形，线形的或很少，具短柄；
4. Seeds obovoid-elliptic, base rostrate, apex retuse, raphe raised, ventral holes groovelike or obovate-elliptic in shape upward nearly 1/3.
   种子倒卵球形的椭圆形，基部具喙，先端微凹，种脊凸起，腹面洞无沟或倒卵状椭圆形的达近上部1/3的。
5. 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。

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