gnetophyte

World English Dictionary
gnetophyte (ˈniːtəʊˌfaɪt)
 
n
any gymnosperm plant of the phylum Genetophyta, which includes three genera: Gnetum, consisting of small tropical trees and vines, Ephedra (see ephedra), and Welwitschia (see welwitschia)

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American Heritage
Science Dictionary
gnetophyte   (nē'tə-fīt')  Pronunciation Key 
Any of a small but diverse phylum (Gnetophyta) of gymnosperm plants with some features similar to those of angiosperms, such as xylem with vessels, strobili resembling inflorescences, and the absence of archegonia. The genus Ephedra, well-known as a source of stimulant compounds, is classified among the gnetophytes.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

gnetophyte

any member of the division Gnetophyta, a small group of gymnospermous vascular plants that are represented by three living genera: Ephedra, Gnetum, and Welwitschia. There are 65 species in the genus Ephedra, 30 or more in Gnetum, but only one in Welwitschia. The three genera exhibit great diversity in the immense variety of form and size among the various species

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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