-
diversity during the
Early Cretaceous. The
primary difference between gnetophytes and
other gymnosperms is the
presence of
vessel elements, a
system of...
-
seeds in
flowering plants, that
include conifers, cycads, Ginkgo, and
gnetophytes,
forming the
clade Gymno****e The term
gymnosperm comes from the composite...
- conifers,
which have
simple pollen strobili and
compound seed strobili,
gnetophytes have both
compound pollen and seed strobili. The seed
strobili of Ephedra...
- conifers,
which are cone-bearing
trees and shrubs, and Gnetophyta, the
gnetophytes,
various woody plants in the
relict genera Ephedra, Gnetum, and Welwitschia...
-
authors have
linked bennettitaleans to
angiosperms (flowering plants) and
gnetophytes (a rare and
unusual group of
modern gymnosperms),
forming a
broader group...
- Italy, Slovenia,
Austria Ephedra is part of a
group of
plants called ‘
gnetophytes’.
These plants have
hardly changed in the past 100
million years, and...
- ****tophytes (seed plants)
Cycadophyta Cycads 160
Ginkgophyta Ginkgo 1
Pinophyta Conifers 630
Gnetophyta Gnetophytes 70 Angio****e
Flowering plants 258650...
-
known gnetophytes, one of the four main
living groups of gymnosperms,
appeared by the end of the Jur****ic, with the
oldest unequivocal gnetophyte being...
-
dominated by
gymnosperm groups,
including cycads, conifers, ginkgophytes,
gnetophytes and
close relatives, as well as the
extinct Bennettitales.
Other groups...
-
called foliage leaves. Gymnosperms, such as conifers, cycads, Ginkgo, and
gnetophytes are seed-producing
plants with open seeds.
Angiosperms are seed-producing...