subclass alismatidae is a noun meaning "one of four subclasses or superorders of Monocotyledones; comprises about 500 species in 14 families of aquatic and semiaquatic herbs". It carries one recorded sense.
one of four subclasses or superorders of Monocotyledones; comprises about 500 species in 14 families of aquatic and semiaquatic herbs
Definitions, synonyms and semantic relations for subclass alismatidae come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.