phaenogam
/ˈfiːnə(ʊ)ɡam/(also phenogam) Botany. Now rare or historical
noun
A phanerogam; a spermatophyte.
Origin
Mid 19th century; earliest use found in John Lindley (1799–1865), botanist and horticulturist. From pheno- + -gam, after scientific Latin phaenogama, phaenogamae (short for phaenogamae plantae), both plural nouns; compare scientific Latin phaenogamus, adjective. Compare German Phänogamen, plural noun.