- The
gymnosperms (/ˈdʒɪmnəˌspɜːrmz, -noʊ-/ JIM-nə-spurmz, -noh-; lit. 'revealed seeds') are a
group of seed-producing
plants that
include conifers, cycads...
- trimerophytes, and
eventually gave rise to the gymnosperms,
ancestral to
acrogymnosperms and
angiosperms (flowering plants). They have been
treated formally...
- majority, as broad-leaved or
megaphyllous plants,
which also
include acrogymnosperms and ferns. In the lycopods, with
different evolutionary origins, the...
-
Acrogymnosperms angiosperms...
- ****tophytes. It is also
highly unlikely that they were
close relatives of
acrogymnosperms,
cycads or ginkgos,
because these lineages were
already established...