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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.
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Adj.1.cryptogamous - of or relating to a cryptogam
References in periodicals archive ?
4: Cryptogamous Plants by William Griffith in the Calcutta Journal of Natural History, Vol.
Bailey, Frederick M 1883-90 A Synopsis of the Queensland Flora; Containing both the Phaenogamous and Cryptogamous plants, James C Beal, Government Printer, Brisbane.
Canker sores develop quickly from lesions due to invasion by cryptogamous parasites causing weakness.