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.

    • ‘As in other cryptogam species, the effect of polarized red light implies that phytochrome acts at the cell periphery.’
    • ‘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).’

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

/ˈkriptəˌɡam/