heterosporus
Heterosporus is a term used in biology, particularly in botany and paleobotany, to describe organisms that produce two distinctly different types of spores. This is in contrast to homosporous organisms, which produce only one type of spore. The two types of spores in heterosporous species are typically distinguished by their size and sex.
The smaller spores are called microspores, and they develop into the male gametophyte. The larger spores are
Heterospory is considered an evolutionary innovation that has played a significant role in the diversification of
This differentiation in spore size and function allows for a more specialized development of gametophytes and,