adj.扇形的
Leaf blade obovate to flabelliform, apex rounded to truncate and emarginate. 根茎块茎状；叶片具三叶；3浅裂的花瓣，裂片披针形。(5
The penetration and flabelliform angle increase as the opening pressure increases. 随著启喷压力的增加，喷雾贯穿距和扇形角也相应增大；
keel longer than lateral petals, apex with 2 flabelliform crested appendages. 龙骨瓣长于侧花瓣，先端具2扇形脊的附属物。
flabelliform marginal hair 扇形缘毛
disc yellow, flabelliform; 花盘黄，扇形；
