Pollen
From The Encyclopedia of Earth
(Redirected from Pollen grains)
Botany (main)
August 12, 2008, 8:04 pm
Pollen
A fine, powder-like material produced in the anther. Each pollen grain is multi-celled and include two sperm cells, one of which fertilizes the egg and the other of which fertilizes the polar nuclei to form endosperm.