
Plane Tree Pollen

by Science Photo Library
Title
Plane Tree Pollen
Artist
Science Photo Library
Medium
Photograph - Photograph
Description
Plane tree pollen grain. Coloured scanning electron micrograph (SEM) of a pollen grain from a plane tree (Platanus sp.). The grains have a sculpted outer wall (exine), which may assist in their dispersal by improving their adherence to pollinating insects. The characteristic surface of pollen grains is used by botanists to recognise and classify plants. Each pollen grain contains a male gamete (reproductive cell) that is intended to fertilise an egg or ovule (female gamete), and initiate the formation of a seed for a new plant.
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September 18th, 2018
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