Meaning of Medullosa in English:

Medullosa

Pronunciation /ˌmɛdəˈləʊsə/

noun

Botany
  • A genus (or form genus) of fossil plant stem found in Carboniferous and Permian deposits; the extinct seed-bearing tree fern (pteridosperm) from which such remains are derived.

Origin

Late 19th century; earliest use found in American Naturalist. From scientific Latin Medullosa from classical Latin medulla + -ōsa, feminine of -ōsus.