Pteridophyta

Pteridophyta
Marattiopsida Osmundopsida Gleicheniopsida Pteridopsida Presentan megáfilos (macrófilos), con nerviación ramificada. Las frondes dejan intersticios foliares en las estelas. Presentan esporangios que pueden ser de dos tipos.

Enciclopedia Universal. 2012.

Игры ⚽ Поможем решить контрольную работу

Mira otros diccionarios:

  • Pteridophyta — Ptéridophytes ou Pteridophyta …   Wikipédia en Français

  • 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 }, n. [1913… …   The Collaborative International Dictionary of English

  • Pteridophyta — Pteridophyta, Farnpflanzen, Abteilung der ⇒ Embryophyta, die ca. 10700 weltweit verbreitete, überwiegend feuchtere Gegenden in den Tropen bewohnende Arten umfasst. Zu den P. gehören die ersten Landpflanzen und die Vorfahren der Spermatophyten.… …   Deutsch wörterbuch der biologie

  • Pteridophyta —   Helechos y afines …   Wikipedia Español

  • Pteridophyta — Ptéridophytes ou Pteridophyta des Fougères …   Wikipédia en Français

  • Pteridophyta — Gefäßsporenpflanzen Echter Wurmfarn (Dryopteris filix mas) Systematik Klassifikation: Lebewesen …   Deutsch Wikipedia

  • Pteridophyta — Vascular Vas cu*lar, a. [L. vasculum a small vessel, dim. of vas vessel: cf. F. vasculaire. See {Vase}, and cf. Vessel.] [1913 Webster] 1. (Biol.) (a) Consisting of, or containing, vessels as an essential part of a structure; full of vessels;… …   The Collaborative International Dictionary of English

  • Pteridophyta — noun containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta • Syn: ↑division Pteridophyta • Hypernyms: ↑division • Member… …   Useful english dictionary

  • Pteridophyta or Vascular Acrogens — Cryptogamia Cryp to*ga mi*a (kr?p t? g? m? ?), n.; pl. {Cryptogami[ae]} ( ?). [NL., fr. Gr. krypto s hidden, secret + ga mos marriage.] (Bot.) The series or division of flowerless plants, or those never having true stamens and pistils, but… …   The Collaborative International Dictionary of English

  • Pteridophyta — …   Википедия

  • Pteridophyta — Division of the plant kingdom that includes ferns, horsetails and clubmosses …   Dictionary of molecular biology

Compartir el artículo y extractos

Link directo
Do a right-click on the link above
and select “Copy Link”