Meaning of PTERIDOPHYTA
 WordNet Dictionary |
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| | Definition: | | [n] 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 |
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| | Synonyms: | | division Pteridophyta |
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| | See Also: | | class Equisetatae, class Filicinae, class Filicopsida, class Lycopodiate, class Lycopsida, class Psilopsida, class Psilotatae, class Sphenopsida, division, Equisetatae, fern family, fern genus, Filicinae, Filicopsida, genus Pecopteris, kingdom Plantae, Lycopodiate, Lycopsida, nonflowering plant, order Psilophytales, plant kingdom, Plantae, Psilophytales, Psilopsida, Psilotatae, pteridophyte, Sphenopsida | |
| Webster's 1913 Dictionary |
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| | Definition: | | \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.
Note: This is a modern term, devised to replace the older
ones acrogens and vascular Cryptogamia.
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