sporopollenin

English

Etymology

From 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^[1]:

     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.

Related terms

• sporopolleninous