heterosporous

adjective Botany.

1. having more than one kind of spore.

adjective

1. (of seed plants and some ferns and club mosses) producing megaspores and microsporesCompare homosporous

1. Producing two types of spores differing in size and sex, the male microspore and the female megaspore, which develop into separate male and female gametophytes. All seed-bearing plants, as well as some ferns and other seedless plants, are heterosporous. Compare homosporous.