- 1. Leaves alternate, usually simple, petiolate; leaf blade margin entire or sometimes crenate.
- 叶互生，通常单叶，具叶柄；叶片边缘全缘或有时具圆齿。
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- 2. Upper leaf blades 5-10 cm wide corrugate base cuneate margin coarsely crenate apex obtuse veins flabellate netted.
- 上面叶片5 - 10厘米宽具皱褶基部楔形边缘具粗圆齿先端钝脉扇形网状。
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- 3. Upper leaf blades 5-10 cm wide corrugate base cuneate margin coarsely crenate apex obtuse veins flabellate netted.
- 上面叶片5 - 10厘米宽具皱褶基部楔形边缘具粗圆齿先端钝脉扇形网状。
来自互联网
