Arecidae
天南星亞綱
Arecidae
n : 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
Lemnaceae [syn: subclass Arecidae]