Definition of phanerogam in English:

phanerogam

noun

Botany
  • old-fashioned term for spermatophyte
    • ‘Plants with flowers and leaves (phanerogams and Latifoliae) appeared no earlier than the Cretaceous - in other words about 100 million years ago, long after the first protophasmids.’
    • ‘It is known that, among the four spontaneous phanerogams colonising the sandy and muddy loose sea-bottoms of the Mediterranean Sea, i.e. Posidonia oceanica, Cymodocea nodosa, Zostera noltii and Zostera marina, mainly the Posidonia and the Cymodocea are the most frequent ones.’
    • ‘Unlike phanerogams, which undergo long-range dispersal by seeds (seed plants) or spores (ferns and mosses), lichens have two fundamentally different mechanisms of long-range dispersal.’

Origin

Mid 19th century: from French phanérogame, from Greek phaneros visible + gamos marriage.

Pronunciation:

phanerogam

/ˈfanərəˌɡam/