叶片通常长圆形到卵形，心形的或近如此在基部；叶和果没有短柔毛。

Leaf blade usually oblong to ovate, cordate or nearly so at base; leaf and fruit without pubescence.

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总状花序轴和花梗具短柔毛或微柔毛；苞片和小苞片通常生于花梗上部的1/2。

Raceme rachis and pedicels pubescent or puberulent ; bract and bracteole usually borne on distal 1/2 of pedicel.

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