-
nounsmaller of the two types of spore produced in heterosporous plants; develops in the pollen sac into a male gametophytetype of:
Definition that contains microspore
- megagametophyte the female gametophyte produced by the megaspore of a plant that produces both microspore and megaspores
- microgametophyte the male gametophyte produced by a microspore
- heterospory the development of both microspores and megaspores
- microsporangium a plant structure that produces microspores