exine

Definitions:

  • The outer layer of the wall of a spore or pollen grain.
  • Same as <internalXref urlencoded="extine">extine</internalXref>.
  • the <xref>outer</xref> <xref>layer</xref> of a <xref>pollen</xref> <xref>grain</xref> or <xref>spore</xref>; the <xref>exosporium</xref>
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