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Origin of pollen tube
Words nearby pollen tube
Example sentences from the Web for pollen tube
The pollen-tube does not penetrate the ovule through the micropyle but enters at the opposite end—the chalaza.
The latter ultimately divides in the apex of the pollen-tube into two non-motile generative cells.
The male-cells are carried to their destination in the tip of the pollen-tube.
It is down these style-branches that the pollen-tube passes on its way to the ovules or embryo seeds.The Apple-Tree|L. H. Bailey
The branches of the stigma are very thin, formed apparently of three rows of cells of hardly greater diameter than pollen-tube.More Letters of Charles Darwin Volume II|Charles Darwin