-
division of
plants (alternatively
considered the
subclass Gnetidae or
order Gnetales),
grouped within the
gymnosperms (which also
includes conifers, cycads...
-
indicate this
order being paraphyletic with
respect to
Gnetales, with
studies recovering Gnetales as
either a
sister group to
Pinaceae or
being more derived...
-
Gnetidae Order Welwitschiales Family Welwitschiaceae:
Welwitschia Order Gnetales Family Gnetaceae:
Gnetum Order Ephedrales Family Ephedraceae:
Ephedra Subclass...
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Pedersen KR,
Crane PR,
Friis EM (July 2006). "Former
diversity of
Ephedra (
Gnetales):
evidence from
Early Cretaceous seeds from
Portugal and
North America"...
- the
extant flowering plants, such as
roses and gr****es – as well as the
Gnetales and the
extinct Bennettitales.
Detailed morphological and
molecular studies...
- and
morphology in the
resolution of the
relationship of
angiosperms and
Gnetales". Paleobiology. 44 (3): 490–510. doi:10.1017/pab.2018.23. ISSN 0094-8373...
-
process have also been determined.
Evidence of
double fertilization in
Gnetales,
which are non-flowering seed plants, has been reported.
Double fertilization...
-
allied to the
Gnetales. However, as
noted above,
recent molecular evidence is at odds with this hypothesis, and
further suggests that
Gnetales are more closely...
-
Susanne S. (2006). "Dating
Dispersal and
Radiation in the
Gymnosperm Gnetum (
Gnetales)—Clock
Calibration when
Outgroup Relationships Are Uncertain". Systematic...
- an ovary;
modern representatives include conifers, cycads, Ginkgo, and
Gnetales.
Angiosperms produce seeds enclosed in a
structure such as a
carpel or...
