sporopollenin

English

Etymology

sporo- +‎ pollen +‎ -in

Noun

sporopollenin (countable and uncountable, plural sporopollenins)

  1. (botany) A combination of biopolymers, observed in the exine layer of the spore and pollen wall.
    • 2017 January 4, Susannah Lydon, “Bring me sunshine in your spores”, in The Guardian‎:
      Spores and pollen, collectively known as sporomorphs, are the tiny reproductive structures of land plants, and have a highly resistant outer wall made of a biopolymer called sporopollenin.
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