Useful english dictionary. 2012.
Gnetaceae — noun plants having small unisexual flowers and fleshy or winged fruit: in some classifications includes the genera Ephedra and Welwitschia as well as genus Gnetum • Syn: ↑family Gnetaceae • Hypernyms: ↑gymnosperm family • Member Holonyms:… … Useful english dictionary
Gnetaceae — ▪ gnetophyte family a family of tropical gymnosperms in the order Gnetales (division Gnetophyta), composed of one genus, Gnetum, with 30 or more species. Trees predominate among the African species; most of the Asian varieties are woody… … Universalium
family Ephedraceae — noun ephedras: in some classifications included in the Gnetaceae • Syn: ↑Ephedraceae • Hypernyms: ↑gymnosperm family • Member Holonyms: ↑Gnetales, ↑order Gnetales • Member Meronyms: ↑ … Useful english dictionary
family Welwitschiaceae — noun in some classifications included in the Gnetaceae • Syn: ↑Welwitschiaceae • Hypernyms: ↑gymnosperm family • Member Holonyms: ↑Gnetales, ↑order Gnetales • Member Meronyms: ↑ … Useful english dictionary
gymnosperm family — noun a family of gymnosperms • Hypernyms: ↑plant family • Hyponyms: ↑Gnetaceae, ↑family Gnetaceae, ↑Ephedraceae, ↑family Ephedraceae, ↑Welwitschiaceae, ↑family We … Useful english dictionary
joint-fir family — noun : gnetaceae … Useful english dictionary
Gnetales — noun chiefly tropical or xerophytic woody plants; practically unknown as fossils but considered close to the ancestral line of angiosperms • Syn: ↑order Gnetales • Hypernyms: ↑plant order • Member Holonyms: ↑Gnetopsida, ↑class Gnetopsida, ↑ … Useful english dictionary
ephedra — E. equisetina (family Gnetaceae). Ma Huang; the plant source for the alkaloid ephedrine. Indigenous to China and India, it is 0.75 to over 1% ephedrine; also contains some pseudoephedrine. * * * ephed·ra i fed rə, ef əd rə n 1 a) cap a large… … Medical dictionary
gnetophyte — ▪ plant Introduction 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… … Universalium
genus Gnetum — noun type genus of the Gnetaceae; small trees or shrubs usually with climbing jointed stems and terminal spikes of flowers with orange red seeds clustered in rough cones • Hypernyms: ↑gymnosperm genus • Member Holonyms: ↑Gnetaceae, ↑family… … Useful english dictionary
