subclass Arecidae

Thesaurus

Noun

1.subclass Arecidae - one of four subclasses or superorder of Monocotyledones; comprises about 6400 species in 5 families of trees and shrubs and terrestrial herbs and a few free-floating aquatics including: Palmae; Araceae; Pandanaceae and LemnaceaeArecidaeclass - (biology) a taxonomic group containing one or more ordersclass Liliopsida, class Monocotyledonae, class Monocotyledones, Liliopsida, Monocotyledonae, Monocotyledones - comprising seed plants that produce an embryo with a single cotyledon and parallel-veined leaves: includes grasses and lilies and palms and orchids; divided into four subclasses or superorders: Alismatidae; Arecidae; Commelinidae; and LiliidaeArales, order Arales - Araceae; Lemnaceaeorder Pandanales, Pandanales - families Typhaceae; Sparganiaceae; Pandanaceaeorder Palmales, Palmales - coextensive with the family Palmae: palms