gibbose

perianth lobes 4, connate 1/2 of length, subapically corniculate with a small gibbose appendix at each side;

花被裂片4，合生长度1/2，端具小角状突具小凸圆附每一边；

perianth lobes 4, obovate-oblong, connate 1/2 of length, subapically corniculate, with 2 small gibbose appendices at each side;

花被裂片4，倒卵状长圆形，合生长度1/2，端具小角状突，每边具2小凸圆附；