Definition of cryptogam in English:

cryptogam

noun

Botany
dated
  • A plant that has no true flowers or seeds, including ferns, mosses, liverworts, lichens, algae, and fungi.

    • ‘The Myxomycetes represent the only group of cryptogams with species only known from the tree canopy.’
    • ‘In this subzone, herbaceous dicots, grasses, rushes, and cryptogams are dominant, and woody plants and sedges are absent.’
    • ‘Students rotated from one scientist to another, assisting with data collection, and gained insight into each scientist's particular area (wetland ecology, cryptogams, syntaxonomy, floristics, or natural history).’
    • ‘As in other cryptogam species, the effect of polarized red light implies that phytochrome acts at the cell periphery.’

Origin

Mid 19th century: from French cryptogame, from modern Latin cryptogamae (plantae), denoting non-flowering plants, from Greek kruptos ‘hidden’ + gamos ‘marriage’ (because the means of reproduction was not apparent).

Pronunciation

cryptogam

/ˈkrɪptə(ʊ)ɡam/