Question: what are the general characteristics of pteridophytes?
Answer: Pteridophytes are the first true land plants: ... , They are seedless, vascular cryptogams: ... , They show true alternation of generations: ... , Sporophyte has true roots, stem and leaves: ... , Spores developed in sporangia are homosporous or heterosporous: ... , Sporangia are produced in groups on sporophylls: