完整的花的具有全部基本器官的，即：花萼、花瓣、雄蕊和雌蕊。用于花卉。
Having all principal parts, namely, the sepals, petals, stamens, and pistil or pistils. Used of a flower.
一朵花由四部分组成：花萼，花瓣，雄蕊和雌蕊。
A flower is made up of four parts: the sepal, petal, stamen and pistil.
当花萼包住花瓣、萼长于瓣、花药白绿色时，多数小孢子处于四分体时期或单核早期；
When the calyx is encased by petal, the calyx is longer than the petal, and the anther is greenish white, most of the microspore is at the earlynucleate stage.
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