Where do spores ripen in horsetails, lycopods, ferns?

Horsetails, lymphoids and ferns alternate between asexual (sporophyte) and sexual (gametophyte) generations. In spring, shoots grow on the rhizomes ending in spore-bearing spikelets. Here in sporangia and spores ripen. Later they spill out from the sporangia, germinate and form a sexual generation – gametophytes.



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