cryptogam


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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
References in periodicals archive ?
Eldridge DJ, Greene RSB (1994) Assessment of sediment yield by splash erosion on a semi-arid soil with varying cryptogam cover.
Generally, expectations are that, at equilibrium, the ratio of the erosion rates for cryptogam covered and completely bare soil surfaces ([C.
Biogenic materials consisting of cryptogams and plant fragments are also present.
As a result of the termination, ImmuCell, the developer and manufacturer of CryptoGAM, regains the worldwide marketing rights that had been licensed to Univax.
completed enrollment in a Phase I/II clinical trial of CryptoGAM, a bovine-derived specific polyclonal antibody against the cryptosporidiosis parasite that is often responsible for severe diarrhea in advanced AIDS patients.
For each vegetation plot all vascular plants and cryptogams were recorded with the use of Braun-Blanquet approach (Braun-Blanquet, 1964).
is biased by a recurring shortcoming cryptogams are totally ignored as they are an important species richness.
Another way to say this is that the cryptogams, especially the fungi and liverworts and mosses that Edgeworth includes, require a denser palette of color than the watercolor washes and occasional pen outhnes that were at the time conventional, especially among amateur botanical artists.
In addition to accompanying the Brittons on the September-October expedition, Brace was commissioned by the NYBG this year to explore the Abacos Islands, which resulted in 611 numbers, including many cryptogams.
Jeremy Appelbaum, William Gil and Allen Shin will share a $100,000 college scholarship for their project, COP1 Arrests Photomorphogenesis in Dark Grown Gametophytes of Ceratopteris richardii; A Study of COP1 in Cryptogams.