花萼

Calyx cup-shaped, almost truncate, outside pulverulent pubescent.

萼杯状，几乎截，外面粉状短柔毛。

Calyx 5- or rarely 4-partite, quincuncial, basal glands usually present.

萼5或者很少4分裂，通常基部腺体宿，，基部通常有腺体。

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

轴和被绒毛或者被绒毛；卵苞，5-7毫米，两面密被绢毛；正面的萼是密被绢毛；叶基部近心。