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Gnetophyta
Gneta Division
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Evergreen Gnetum

three genera of woody plants grouped in the gymnosperms.

tropical evergreen trees, shrubs and lianas.

has vessel elements as in the flowering plants. In some classifications, all three genera are placed in a single order (Gnetales) but in others distributed among three orders, each containing a single family and genus.


The three extant genera of gnetophytes, a “bizarre and enigmatic” trio, are likely aberrant members of the group, which was diverse and dominant in the Tertiary. Some synapomorphies of the gnetophytes include enveloping bracts around the ovules and microsporangia, and a micropylar projection of the outer membrane of the ovule that produces a pollination droplet.

Ephedra

Gnetophyta :
Gnetaceae - Gneta Family
Welwitschia mirabilis - Welwitschia Species
Ephedraceae - Ephedra Family
Welwitschiaceae

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Gnetophyta
Gnetophyta
Gneta Division
Spermatophytes
Spermatophytes
Seed Plants
Euphyllophytina
Real Land Plants
Polysporangiates
Multiple Spore Sub-Kingdom
Stomatophytes
Stomatophytes
Air Pores Sub-Kingdom
Embryophytes
Embryophytes
Multicellular Land Plants
Streptobionta
Streptobionta
Multicellular Plants
Plantae
Plantae
Plants
Eukaryota
Eukaryota
Cells with a Nucleus

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Gnetophyta

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