- psilophyte
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psilophyte [sī′lə fīt΄]n.any of various extinct, early land plants of the Silurian and Devonian periods, characterized by a simple vascular structure and lacking true roots and leaves
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Universalium. 2010.
psilophyte
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psilophyte — ● psilophyte nom masculin Plante vasculaire dont le sporophyte ne porte pas de racines et dont les tiges peuvent être dépourvues de feuilles, telle que le psilotum. (Les psilophytes forment un embranchement du groupe des ptéridophytes.) … Encyclopédie Universelle
psilophyte — [sī′lə fīt΄] n. any of various extinct, early land plants of the Silurian and Devonian periods, characterized by a simple vascular structure and lacking true roots and leaves … English World dictionary
psilophyte — noun Etymology: New Latin Psilophyton, genus of plants, from Greek psilos bare, mere (probably akin to Greek psēn to rub) + phyton plant more at phyt Date: circa 1911 any of a division (Psilophyta) of simple dichotomously branched plants that… … New Collegiate Dictionary
Psilophyte — Psilophyta Psilophytes … Wikipédia en Français
psilophyte — noun a) Any plant that is adapted to live in a savannah b) Any plant of the former taxon Psilophyta … Wiktionary
psilophyte — psi·lo·phyte … English syllables
psilophyte — noun any plant of the order Psilophytales: a savannah plant • Hypernyms: ↑vascular plant, ↑tracheophyte • Member Holonyms: ↑Psilophytales, ↑order Psilophytales * * * ˈ ̷ ̷ ̷ ̷ˌfīt noun ( … Useful english dictionary
CORMOPHYTES — Chez les Végétaux eucaryotes, on distingue par leur morphologie deux grands groupes, les Thallophytes, dont l’appareil végétatif est un thalle , tel celui des Algues ou des Champignons [cf. THALLE], et les Cormophytes (ou Archégoniates), dont… … Encyclopédie Universelle
psilophytic — adjective see psilophyte … New Collegiate Dictionary
Psilotum — Taxobox name = Psilotum image width = 250px image caption = Closeup of Psilotum nudum regnum = Plantae divisio = Pteridophyta classis = Psilotopsida ordo = Psilotales familia = Psilotaceae genus = Psilotum subdivision ranks = Species subdivision … Wikipedia
