POLLEN

Pollen

Pollen is a fine to coarse powder containing the microgametophytes of seed plants, which produce the male gametes . Pollen grains have a hard coat that protects the sperm cells during the process of their movement from the stamens to the pistil of flowering plants or from the male cone to the female cone of coniferous plants. When pollen lands on a compatible pistil or female cone, it germinates and produces a pollen tube that transfers the sperm to the ovule . Individual pollen grains are small enough to require magnification to see detail. The study of pollen is called palynology and is highly useful in paleoecology, paleontology, archeology, and forensics.

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pollen

Noun

  1. A fine granular substance produced in flowers. Collective term for pollen grains or microspores produced in the anthers of flowering plants.


The above text is a snippet from Wiktionary: pollen
and as such is available under the Creative Commons Attribution/Share-Alike License.

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