London, United Kingdom
Lily Pollen, Sem
Photograph - Photograph
Lily pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from a lily (Lilium sp.). The grains have a highly sculpted outer wall (exine), which may assist in their dispersal. The characteristic surface of pollen grains is used by botanists to recognise and classify plants. Pollen grains are the male sex cells of a flowering plant.
May 1st, 2013
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