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How many species are included in the genus Ephedra?
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Gnetophyte
Welwitschia, or tumboa (Welwitschia mirabilis), in Namibia.
The genus Ephedra includes 65 species of gymnosperm shrubs. These plants belong to the family Ephedraceae and are the only genus within the order Ephedrales, which is part of the division Gnetophyta.12