Epicalyx lobes linear or linear-lanceolate , 1.5-5 mm wide .

披针形副萼裂片线形或线形，1.5-5毫米宽。

Petals white ; epicalyx segments smaller than sepals .

花瓣白色副萼片小于萼片。

Sepals 5 , valvate ; epicalyx segments smaller , alternate with sepals .

萼片5，镊合状；更与萼片小，交替的副萼片。

Epicalyx lobe margin densely fimbriate , densely woolly stellate pilose .

流苏状的副萼裂片边缘密，密被绵毛星状柔毛。

Calyx 5-lobed , connate to middle , lobes broadly triangular , much shorter than epicalyx .

花萼5浅裂，对中间，裂片宽三角形，远短于副萼合生。