Gnetaceae

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 vines, but among the exceptions is G. gnemon, a tree about 20 metres (65 feet) tall that yields a useful fibre and an edible, plumlike fruit. Other species occur in the Neotropics. The conspicuous, netlike veining of the broad leaves of Gnetum species superficially resembles that of angiosperms. The ovules (potential seeds) are enclosed, and conducting cells in the wood include open-ended pipes known as vessels; the latter condition is also characteristic of angiosperms.

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Universalium. 2010.

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  • Gnetacĕae — Gnetacĕae, Pflanzenfamilie aus der Klasse der Coniferae, Bäume, sehr ästige Bäumchen od. wurzelrankige Sträucher, mit knotig gegliederten Ästen u. entgegengesetzten kleinen schuppenförmigen od. breiteirunden fiedernervigen, ganzen Blättern; die… …   Pierer's Universal-Lexikon

  • Gnetaceae — Gnetum Gnetum …   Wikipédia en Français

  • 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 BLUME — ГНЕТОВЫЕ — 5 …   Справочник растений

  • gnetaceae — gne·ta·ce·ae …   English syllables

  • family 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: ↑Gnetaceae • Hypernyms: ↑gymnosperm family • Member Holonyms: ↑Gnetales,… …   Useful english dictionary

  • Gnetum — Gnetum …   Wikipédia en Français

  • Gnetum — gnemon …   Wikipédia en Français

  • Gnetum —   Gnetum …   Wikipedia Español

  • Gnetum — gnemon, Blätter und unreife Samen. Systematik Abteilung: Gefäßpflanzen (Tracheophyta) Unterabt …   Deutsch Wikipedia

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