-
specify the
modern monophyletic group of
gymnosperms, the term Acrogymno****e is
sometimes used. The
gymnosperms and
angiosperms together constitute the...
- Jur****ic and
Cretaceous Periods. It is
characterized by the
dominance of
gymnosperms and of
archosaurian reptiles, such as the dinosaurs; a hot greenhouse...
- of the
familiar land plants,
including the
flowering plants and the
gymnosperms, but not ferns, mosses, or algae. The term
phanerogam or phanerogamae...
- The
gymnosperms consist of five
orders of seed plants: Cupressales, Cycadales, Ginkgoales,
Gnetales and Pinales. They
developed more than 350 million...
- photosynthesis.
Vascular plants include the clubmosses, horsetails, ferns,
gymnosperms (including conifers), and
angiosperms (flowering plants). Scientific...
-
Angiosperms are
distinguished from the
other seed-producing plants, the
gymnosperms, by
having flowers,
xylem consisting of
vessel elements instead of tracheids...
-
referred to as the
subclass Dicotyledons into two tribes,
Gymnosperms and Angiosperms. In the
gymnosperms (or Gymno****e)
Lindley included two orders, the...
-
Conifers are a
group of cone-bearing seed plants, a
subset of
gymnosperms. Scientifically, they make up the
division Pinophyta (/pɪˈnɒfɪtə, ˈpaɪnoʊfaɪtə/)...
-
Molecular phylogenies of
extant gymnosperms have
conflicted with
morphological characters with
regard to
whether the
gymnosperms as a
whole (including gnetophytes)...
- stage. In some
gymnosperms, the tube cell will
create a
direct channel from the site of
pollination to the egg cell, in
other gymnosperms, the tube cell...
