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pteridophyte

[tuh-rid-uh-fahyt, ter-i-doh-] /təˈrɪd əˌfaɪt, ˈtɛr ɪ doʊ-/
noun
1.
any plant of the division Pteridophyta, characterized by vascular tissue and differentiation into root, stem, and leaves, comprising the ferns, horsetails, and club mosses.
Origin
1875-1880
1875-80; < Neo-Latin Pteridophyta; see pterido-, -phyte
Related forms
pteridophytic
[tuh-rid-uh-fit-ik, ter-i-doh-] /təˌrɪd əˈfɪt ɪk, ˌtɛr ɪ doʊ-/ (Show IPA),
pteridophytous
[ter-i-dof-i-tuh s] /ˌtɛr ɪˈdɒf ɪ təs/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for pteridophyte

pteridophyte

/ˈtɛrɪdəʊˌfaɪt/
noun
1.
(in traditional classification) any plant of the division Pteridophyta, reproducing by spores and having vascular tissue, roots, stems, and leaves: includes the ferns, horsetails, and club mosses. In modern classifications these plants are placed in separate phyla
Derived Forms
pteridophytic (ˌtɛrɪdəʊˈfɪtɪk), pteridophytous (ˌtɛrɪˈdɒfɪtəs) adjective
Word Origin
C19: from pterido-, from Greek pteris fern + -phyte
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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pteridophyte in Science
pteridophyte
  (tə-rĭd'ə-fīt', těr'ĭ-dō-)   
Any of various vascular plants that reproduce by spores rather than seeds; a seedless vascular plant. The pteridophytes include the lycophytes, the horsetails, and the ferns, as well as a small group of related plants called the psilophytes and several extinct phyla.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for pteridophyte

cryptogam

any of the spore-bearing vascular plants, including the ferns, club mosses, spike mosses, quillworts, horsetails, and whisk ferns. Once considered of the same evolutionary line, these plants were formerly placed in the single group Pteridophyta and were known as the ferns and fern allies. Although modern studies have shown that the plants are not in fact related, these terms are still used in discussion of the lower vascular plants.

Learn more about cryptogam with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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