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单词 cryptogam
释义

cryptogam

enUK

cryp·to·gam

C0783200 (krĭp′tə-găm′)n. A member of a formerly recognized taxonomic group that included all seedless plants and plantlike organisms, such as mosses, algae, ferns, lichens, and fungi.
[From New Latin Cryptogamia, former group name : crypto- + -gamia, -gamy.]
cryp′to·gam′ic, cryp·tog′a·mous (-tŏg′ə-məs) adj.

cryptogam

(ˈkrɪptəʊˌɡæm) n (Botany) (in former plant classification schemes) any organism that does not produce seeds, including algae, fungi, mosses, and ferns. Compare phanerogam[C19: from New Latin Cryptogamia, from crypto- + Greek gamos marriage] ˌcryptoˈgamic, cryptogamous adj

cryp•to•gam

(ˈkrɪp təˌgæm)

n. a plant that bears no true flowers or seeds and that reproduces by spores, as the ferns, mosses, fungi, and algae. [1840–50; < New Latin Cryptogamia. See crypto-, -gamy] cryp`to•gam′ic, cryp•tog′a•mous (-ˈtɒg ə məs) adj.
Thesaurus
Noun1.cryptogam - formerly recognized taxonomic group including all flowerless and seedless plants that reproduce by means of spores: ferns, mosses, algae, fungiplant life, flora, plant - (botany) a living organism lacking the power of locomotionthallophyte - any of a group of cryptogamic organisms consisting principally of a thallus and thus showing no differentiation into stem and root and leaf

cryptogam

enUK

cryptogam,

in botany, term used to denote a plant that produces spores, as in algaealgae
[plural of Lat. alga=seaweed], a large and diverse group of primarily aquatic plantlike organisms. These organisms were previously classified as a primitive subkingdom of the plant kingdom, the thallophytes (plants that lack true roots, stems, leaves, and flowers).
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, fungiFungi
, kingdom of heterotrophic single-celled, multinucleated, or multicellular organisms, including yeasts, molds, and mushrooms. The organisms live as parasites, symbionts, or saprobes (see saprophyte).
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, mossesmoss,
any species of the class Bryopsida, in which the liverworts are sometimes included. Mosses and liverworts together comprise the division Bryophyta, the first green land plants to develop in the process of evolution.
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, and fernsfern,
any plant of the division Polypodiophyta. Fern species, numbering several thousand, are found throughout the world but are especially abundant in tropical rain forests. The ferns and their relatives (e.g.
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, but not seeds. The term cryptogam, from the Greek kryptos, meaning "hidden," and gamos, meaning "marriage," was coined by 19th-century botanists because the means of sexual reproduction in these plants was not then apparent. In contrast, in the seed plants the reproductive organs are easily seen; the seed plants have accordingly been termed phanerogams, from the Greek phaneros, meaning "visible."

cryptogam

[′krip·tə‚gam] (botany) An old term for nonflowering plants.

cryptogam

(in former plant classification schemes) any organism that does not produce seeds, including algae, fungi, mosses, and ferns

cryptogam

enUK

cryptogam

(in obsolete classification schemes) any plant that does not produce seeds, i.e. plants placed in the groups Thallophyta, Bryophyta and Pteridophyta. Whereas in conifers and flowering plants (Phanerogamia) the organs of reproduction are prominent, they are not so in the Cryptogamia - hence the name (‘secret marriage’).

cryptogam

enUK
  • noun

Words related to cryptogam

noun formerly recognized taxonomic group including all flowerless and seedless plants that reproduce by means of spores: ferns, mosses, algae, fungi

Related Words

  • plant life
  • flora
  • plant
  • thallophyte
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