Leaf blade base cordate or sometimes subtruncate, margin coarsely crenate to crenulate, adaxially sparsely appressed white strigose, abaxially greenish. Raceme-panicles loose. Corolla white.

• 有时近截形的叶片基部心形或，边缘具粗圆齿兑一具细圆齿，正面白色具糙伏毛的疏生贴伏，带绿色。总状花序圆锥花序松散。花冠白色