Leaf base often narrowed into a petiole, spurless.

叶基部通常缩小成为叶柄，无距。

Rachis and pedicels lanuginose or tomentose; bracts orbicular-ovate, 5–7 mm, both surfaces densely sericeous; calyx adaxially densely sericeous; leaf base subcordate.

轴和花梗被绒毛或者被绒毛；卵形苞片圆形，5-7毫米，两面密被绢毛；正面的花萼是密被绢毛；叶基部近心形。