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External sources (not reviewed)

叶不透明，椭圆形，，宽镘形，或卵形，很少宽卵形， 1.4-4.5 * 0.6-3 厘米，基部狭到宽楔形，边缘浅具小齿，先端锐尖。 flora.ac.cn	Leaves opaque, elliptic, trullate, broadly trullate, or ovate, rarely broadly ovate, 1.4-4.5 × 0.6-3 cm, base narrowly to broadly cuneate, margin shallowly denticulate, apex acute. flora.ac.cn
花瓣倒镘形，对1/5或更少其长度具缺刻；花序轴和花梗无毛。 flora.ac.cn	Petals obtrullate, notched to 1/5 or less their length; axis of inflorescence and pedicels glabrous. flora.ac.cn

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