Cauline leaves trifoliolate or pinnately compound; rhizomes, stolons, stem base, and petioles of basal leaves glabrous or some of them sparsely pilose; basal leaves variously-shaped.

• 具三小叶的茎生叶或者羽状复叶；根状茎，匍匐茎，茎基部和基生叶的叶柄无毛的或他们中的一些疏生柔毛；基生叶形状各异。(9