Pollen blasts from Hypenea macrantha flowers knock competitors’ pollen off hummingbird beaks To see if the projectile pollen blew away the competition, evolutionary ecologist Bruce Anderson and ...

Spring is in full swing, and if April showers brought out May flowers, chances are they ... air − it is measured by the number of pollen grains in a specific unit of air. Some sites offer ...

And, we certainly have already seen a ton of people who have been struggling with allergies this year,” says Dr. Sydney ...

When pollen grains alight on a pistil (female reproductive organ), they grow tubes that burrow toward the egg, following attractants released from the flower’s ovule. Researchers at Brown University ...

Self-pollination: The pollen grain lands on the same flower it originated from. Cross-pollination: The pollen grain lands on a different flower to the one it originated from. As plants cannot move ...

Sexual reproduction involves pollen from one flower fertilising the egg of another to produce a seed. Only one parent is needed in asexual reproduction and the offspring are exact copies.