摘 要 ：描述了毛茛科白头翁属一新变种——裂萼细叶白头翁（Pulsatilla turczaninovii Kryl. et Serg. var. fissasepalum）。本变种与原变种细叶白头翁的主要区别为，外轮萼片有不等深度、不等大小的二深裂，中裂片最大，两侧裂片大小不等。
Abstract:This paper discribed a new variety of Ranunculus asiatious L. of Pulsatilla—Pulsatilla turczaninovii Kryl. et Serg. var. fissasepalum and drew the picture of morphology. The main difference between this variety and P.turczaninovii, the old variety, is that the sepals of outer ring was bipartite in different depths and sizes. The middle lobe is the biggest and the size of the bilateral lobes is not exactly the same.