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Gnetophyte | Definition, Plants, Characteristics, Reproduction
https://www.britannica.com/plant/gnetophyte
WEBGnetophyte, any member of the division Gnetophyta, a small group of gymnospermous vascular plants that are represented by three living genera: Ephedra, Gnetum, and Welwitschia. The three genera exhibit great diversity in the immense variety of form and size among the various species.
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Gnetophyta - Wikipedia
https://en.wikipedia.org/wiki/Gnetophyta
WEBGnetophyta. Gnetophyta ( / nɛˈtɒfɪtə, ˈnɛtoʊfaɪtə /) is a division of plants (alternatively considered the subclass Gnetidae or order Gnetales ), grouped within the gymnosperms (which also includes conifers, cycads, and ginkgos ), that consists of some 70 species across the three relict genera: Gnetum ( family Gnetaceae), Welwitschia ...
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22.5: Gnetophytes and Conifers - Biology LibreTexts
https://bio.libretexts.org/Bookshelves/Botany/Botany_Lab_Manual_(Morrow)/22%3A_Gymnosperms/22.5%3A_Gnetophytes_and_Conifers
WEBGnetophytes represent an anatomically and genetically difficult group to classify. They have several traits in common with angiosperms, such as vessel elements in the xylem, double fertilization, and a covering over their seeds (more on this in labs 21 and 22).
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7.3: Gnetophytes - Biology LibreTexts
https://bio.libretexts.org/Bookshelves/Botany/A_Photographic_Atlas_for_Botany_(Morrow)/07%3A_Gymnosperms/7.03%3A_Gnetophytes
WEBPage ID. Gnetophytes represent an anatomically and genetically difficult group to classify. They have several traits in common with angiosperms, such as vessel elements in the xylem, double fertilization, and a covering over their seeds. Even their leaves are angiosperm-like, with netted venation.
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2.6.2.2: Conifers and Gnetophytes - Biology LibreTexts
https://bio.libretexts.org/Bookshelves/Botany/Botany_(Ha_Morrow_and_Algiers)/02%3A_Biodiversity_(Organismal_Groups)/2.06%3A_Seed_Plants/2.6.02%3A_Gymnosperms/2.6.2.02%3A_Conifers_and_Gnetophytes
WEBGnetophytes represent an anatomically and genetically difficult group to classify. They have several traits in common with angiosperms, such as vessel elements in the xylem, double fertilization, and a covering over their seeds. Even their leaves are angiosperm-like, with netted venation.
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A genome for gnetophytes and early evolution of seed plants
https://www.nature.com/articles/s41477-017-0097-2
WEBJan 29, 2018 · Gnetophytes are an enigmatic gymnosperm lineage comprising three genera, Gnetum, Welwitschia and Ephedra, which are morphologically distinct from all other seed plants. Their distinctiveness has...
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Introduction to the Gnetophyta - University of California Museum …
https://ucmp.berkeley.edu/seedplants/gnetophyta/gnetos.html
WEBthe odd triple. . . Click on the buttons below to find out more about the Gnetophyta. Images and information about various gnetophytes are available through.
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Gnetophyta (gnetophytes) description - The Gymnosperm Database
https://www.conifers.org/zz/gnetales.php
WEBMar 3, 2023 · Gnetophytes. Taxonomic notes. The gnetophytes have been treated as separate from other seed plants at the ranks of division (Gnetophyta Bessey 1907), subdivision (Gnetophytina Cronquist, Takht. & Zimmerm. ex Reveal 1996), class (Gnetopsida Thom 1886), subclass (Gnetidae Cronquist, Takht. & Zimmerm. ex Reveal …
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The Welwitschia genome reveals a unique biology underpinning ... - Nature
https://www.nature.com/articles/s41467-021-24528-4
WEBJul 12, 2021 · The gymnosperm Welwitschia mirabilis belongs to the ancient, enigmatic gnetophyte lineage. It is a unique desert plant with extreme longevity and two ever-elongating leaves. We present a...
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Gnetophyta | Basic Biology
https://basicbiology.net/plants/gymnosperms/gnetophyta
WEBJan 16, 2016 · The gnetophytes are a strange group of plants. They include approximately 70 species of gymnosperms that each exhibit a number of flowering characteristics which have led people to believe they may be the predecessors to the …
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