- grouping,
including only Ginkgoales. Some
authors have used the
clade Ginkgophyta to encomp**** both
Ginkgoales and Czekanowskiales/Leptostrobales, which...
- Cycadophyta, the cycads, a
subtropical and
tropical group of plants,
Ginkgophyta,
which includes a
single living species of tree in the
genus Ginkgo,...
-
people find unpleasant. The
ginkgo is
classified in its own division, the
Ginkgophyta,
comprising the
single class Ginkgoopsida,
order Ginkgoales,
family Ginkgoaceae...
-
horsetails 11000 ****tophytes (seed plants)
Cycadophyta Cycads 160
Ginkgophyta Ginkgo 1
Pinophyta Conifers 630
Gnetophyta Gnetophytes 70 Angio****e...
- the
angiosperms and four
divisions of gymnosperms: the Cycadophyta,
Ginkgophyta, Gnetophyta, and
Pinophyta (also
known as Coniferophyta).
Newer classification...
-
earliest Permian of France, is one of the
earliest fossils ascribed to the
Ginkgophyta. It had multiple-forked non-laminar
leaves with cylindrical, thread-like...
- †Progymnospermophyta
Superdivision ****tophyta †Pterido****tophyta
Pinophyta Cycadophyta Ginkgophyta Gnetophyta Magnoliophyta (angiosperms) †Bennettitales...
- the
gymnosperm orders.
Cycadophyta have 3
celled pollen grains while Ginkgophyta have 4
celled pollen grains.
Gnetophyta may have 2 or 3
celled pollen...
-
better after exposure to high temperatures. The
single extant species of
Ginkgophyta (Ginkgo biloba) has
fleshy seeds produced at the ends of
short branches...
-
perhaps also the
Czekanowskiales (possibly more
closely related to the
Ginkgophyta). The
cladogram summarizes conifer phylogeny:
Multiple studies indicate...
