pteridophyte

pteridophyte
Any simple vascular plant that produces spores, but not seeds, and has the diploid stage of its life cycle as the dominant form.

Ferns, lycopods, and scouring rushes are all pteridophytes.

See Also: pteridologist, pteridology, Pteridophyta

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  • ptéridophyte — ● ptéridophyte nom masculin Plante ayant des vaisseaux et une circulation de sève, mais se reproduisant sans fleurs ni graines, telle que les fougères, les prêles, les lycopodes, etc. (Les ptéridophytes, ou cryptogames vasculaires, forment un… …   Encyclopédie Universelle

  • pteridophyte — [ter′i dō fīt΄] n. [< ModL Pteridophyta < Gr pteris (see PTERIDOLOGY) + PHYTE] in some systems of plant classification, any of a division (Pteridophyta) of plants possessing true vascular roots, stems, and leaves and reproducing by means of …   English World dictionary

  • Pteridophyte — The pteridophytes are vascular plants (plants with xylem and phloem) that neither flower nor produce seeds, hence they are called vascular cryptogams. Instead, they reproduce and disperse only via spores. Pteridophyte classification They do not… …   Wikipedia

  • Ptéridophyte — Pteridophyta Ptéridophytes ou Pteridophyta …   Wikipédia en Français

  • pteridophyte — pteridophytic /teuh rid euh fit ik, ter i doh /, pteridophytous /ter i dof i teuhs/, adj. /teuh rid euh fuyt , ter i doh /, n. any plant of the division Pteridophyta, characterized by vascular tissue and differentiation into root, stem, and… …   Universalium

  • Pteridophyte — Pteridophyta Pter i*doph y*ta, n. pl. [NL., from Gr. ?, ?, a fern + ? a plant.] (Bot.) A class of flowerless plants, embracing ferns, horsetails, club mosses, quillworts, and other like plants. See the Note under {Cryptogamia}. {Pter i*do*phyte } …   The Collaborative International Dictionary of English

  • pteridophyte — noun Etymology: New Latin Pteridophyta, from Greek pterid + phyton plant more at phyt Date: 1880 any of a division (Pteridophyta) of vascular plants (as a fern) that have roots, stems, and leaves but lack flowers or seeds …   New Collegiate Dictionary

  • pteridophyte — [ tɛrɪdə(ʊ)fʌɪt] noun Botany a flowerless plan of the division Pteridophyta, which comprises the ferns, horsetails, and clubmosses. Origin from mod. L. Pteridophyta, from Gk pteris, pterid fern + phuton plant …   English new terms dictionary

  • pteridophyte — pte·rid·o·phyte …   English syllables

  • pteridophyte — /ˈtɛrədoʊfaɪt/ (say teruhdohfuyt) noun any of the Pteridophyta, a primary division of the vegetable kingdom comprising plants (as the ferns and fern allies) which are without seeds, have vascular tissue, and are differentiated into root, stem,… …  

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