pteridophyte(redirected from pteridophytous)
Also found in: Thesaurus, Medical.
Any of numerous vascular plants that reproduce by means of spores rather than seeds, including the ferns and related plants such as horsetails, and sometimes the club mosses.
[From New Latin Pteridophyta, former division name : Greek pteris, pterid-, fern; see pteridology + Greek phuton, plant; see -phyte.]
pte·rid′o·phyt′ic (tə-rĭd′ə-fĭt′ĭk, tĕr′ĭ-dō-), pter′i·doph′y·tous (tĕr′ĭ-dŏf′ĭ-təs) adj.
(Botany) (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
[C19: from pterido-, from Greek pteris fern + -phyte]
pteridophytic, pteridophytous adj
Switch to new thesaurus
|Noun||1.||pteridophyte - plants having vascular tissue and reproducing by spores|
division Pteridophyta, Pteridophyta - 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
fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
fern ally - pteridophytes of other classes than Filicopsida