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.
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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