Calyx cup shape, 5 crack greatly, lobation film is qualitative, egg form, grow about 3 millimeter, be grown outside wirehaired, the brim has hair of white tassel shape;

• 花萼杯状,5深裂,裂片膜质, 卵形,长约3毫米,外面被长硬毛,边缘 具白色流苏状毛；