Male flowers : androgynophore cylindrical , enclosed by calyx , apex cup-shaped .

雄花：雌雄蕊柄圆柱体，被花萼包围，顶杯状。

Petals 5 ( or 6 ) , white , cream-colored , or pink , distinct , longer than calyx in bud , imbricate ( quincuncial ) , basally adnate to a short pulvinate androgynophore ( disk ) .

花瓣5(或6)，白色，米色，粉红色，离生，在芽中长于花萼，覆瓦状(梅花形)，基部贴生于短垫状雌雄蕊柄(花盘)。