The Resident Sleeps Alone Tonight

freshphotons:

madeofstarstuff:

hol-on:

Pollen

Talk about phytopenetration.

“During pollen germination, the tube cell elongates into a pollen tube. In the flower, the pollen tube then grows towards the ovule where it discharges the sperm produced in the pollen grain for fertilization. The germinated pollen grain with its two sperm cells is the mature male microgametophyte of these plants.”