The pollen grain produces a narrow tube called the corbicula.
This tiny grain is called pollen grain.
pollen
It produces a pollen tube .
It produces a pollen tube .
pollen grain
microspore when develops a exine around it, is called a pollen grain.
Flowers produce so much pollen to increase the chances of one grain managing to fertilise.
The male sex cells from pollen grain are called male gametes.
The male GA mate in the pollen grain is called the stamen and is usually found in the pistil.
Fertilization resulting in the formation of a zygote or embryo; technically, the pollen grain does not join with the ovule. A pollen tube grows from the pollen grain - this contains the gamete which fuses with the ovule.
Stamen
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