| 1. | Leaves papery , oval in outline , 6 - 7cm long and 8 - 11 cm wide , base rounded or subtruncate , trilobed or sometimes 5 - lobed ; lobes triangular - ovate , rarely ovate - oblong , apex acute or acuminate , margin serrulate , with appressed acute teeth , sometimes entire near base , glabrous or with tufted hairs at vein axils abaxially ; petiole 2 - 3 cm long , glabrous
叶纸质，轮廓阔卵形，长6 - 7厘米，宽8 - 11厘米，基部圆或近截平， 3裂或有时5裂，裂片三角状卵形，有时卵状长圆形，顶端渐尖，边缘有疏而锐利地锯齿，有时近基部全缘，两面无毛或下面脉腋有簇毛；叶柄长2 - 3厘米，无毛。 |
