蓝鹅绒，紫斑牡丹品种间杂交选育。 少瓣型。小叶15枚。花托桂型，外瓣大而平，内瓣细而直立；腹斑黑色， 雄蕊多，花药很大，花丝白色；房衣残存，白色；柱头黄白色。
Blue goose down, purple spot peony, cross breeding among varieties. Few petals. 15 leaflets. The receptacle is laurel type, the outer valve is large and flat, and the inner valve is thin and upright; The ventral spot is black, with many stamens, large anthers and white filaments; Remnant of room clothes, white; Stigma yellowish white.
