the tube that develops from the wall of a pollen grain and, in seed plants, provides a passage through which the male nuclei reach the embryo sac to effect fertilization

(botany) The plant that contributes male reproductive material, the pollen.

the measurement of the number of grains of pollen in a cubic meter of air

plural of pollen counter

A device used to measure the amount of pollen in the air, to determine the pollen count.

plural of pollen basket

(entomology) An arrangement of hairs on part of the tibia on the hind legs of certain species of bees used in transporting pollen.

plural of pollen count

plural of pollen wasp

Any wasp in the vespid subfamily Masarinae, which are unique among the vespids in feeding their larvae with pollen and nectar, instead of with insects.