玉炉炼丹 Yululiandan

玉炉炼丹，白色。紫斑牡丹与中原牡丹品种间杂交选育。少瓣型。小叶15枚。花托桂型，外瓣平展，玉白色，内瓣窄长，红、白相间，皱曲，辐射线长；腹斑红棕色，稍透背；雄蕊退化；房衣半包，白色；柱头黄白色。

Jade furnace alchemy. Cross breeding between purple spot peony and Zhongyuan peony. Few petals. 15 leaflets. The receptacle is laurel type, the outer petal is flat, jade white, the inner petal is narrow and long, red and white, wrinkled, and the radiation line is long; Abdominal spot reddish brown, slightly penetrating the back; Stamen degeneration; Half bag of room clothes, white; Stigma yellowish white.