The results of investigations show that there is no notable differences in the development of the tapetal cells and pollen walls between bisexual and unisexual flowers. But the intine of the pollen grain is thicker.
The results of investigations show that there is no notable differences in the development of the tapetal cells and pollen walls between bisexual and unisexual flowers. But the intine of the pollen grain is thicker.
果表明,两种不同类型的花粉在绒毡层和细胞壁的发育方面没有明显差别,但两性花的花粉内壁较厚,细胞器和淀粉的贮存明显不足,且缺乏蔗糖等化合物,氨基酸的种类也较可育花粉少.