Pollen grains of cucurbita flower

Pollen grains of cucurbita flower

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Credit: ASTRID & HANNS-FRIEDER MICHLER/SCIENCE PHOTO LIBRARY

Caption: Cucurbita pollen grains. Light micrograph of cucurbita pollen grains. Cucurbita is part of a small family of plants (known as cucurbitacae) which includes pumpkins and squashes. The size, shape and surface texture of these pollen grains is unique in each plant species. The sculptured outer wall (or exine) of the grain plays a role in it's dispersal by wind, water or insects. Pollen grains contain the male gametes of the plant which fertilize the female egg (or ovule) to form the plant seed. Pollen also causes allergies and hay fever. Magnification: x85 at 35mm size.

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Keywords: botany, cause, cucurbita, grain, hay fever, hayfever, light micrograph, nature, of pollen, plant, plants, pollen, pollen grain, pollen grains, pollinosis, reproduction, reproductive, type

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