花萼

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

花萼杯状，几乎截形，外面粉状短柔。

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

花萼5或者很少4，常基部腺体宿存，梅花形，基部常有腺体。

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

轴和花被绒或者被绒；卵形苞片圆形，5-7毫米，两面密被；面的花萼是密被；叶基部近心形。