noun
- The inner layer of the exine (outer wall) of a pollen grain or spore.
Usage: technical; botany; plural of endexine
Examples
- The endexines of pollen grains vary in thickness depending on the plant species.
- Botanists examine the endexines under a microscope to classify pollen types.
- The structure of endexines can provide clues about plant evolution and relationships.
- Palynologists study endexines as part of their analysis of fossil pollen.