Stamen is shown or show scarcely, antheral violet black, filament bottom is close by white short fluff, style is extended, had grown stamen, base the ministry is close by fluff.

• 雄蕊露出或几乎不露出,花药紫黑色,花丝下部密被白色短柔毛,花柱伸出,长过雄蕊,基部密被柔毛。