The Pollen grains of Cosnros plant .Each pollen grain contains vegetative (non-reproductive) cells (only a single cell in most flowering plants but several in other seed plants) and a generative (reproductive) cell. In flowering plants the vegetative tube cell produces the pollen tube, and the generative cell divides to form the two sperm cells.

kksaini | Wed Oct 11 51082 08:00:00 GMT+0000 (Coordinated Universal Time)