The intine of the pollen began to form in the middle stage of uninucleate microspore.
The intine of the pollen began to form in the middle stage of uninucleate microspore.
在单孢花粉中期 ,花粉内壁开始形成。
The intine of the pollen began to form in the middle stage of uninucleate microspore.
在单孢花粉中期 ,花粉内壁开始形成。