Definition of Arecidae
1. Noun. 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.
Generic synonyms: Class
Group relationships: Class Liliopsida, Class Monocotyledonae, Class Monocotyledones, Liliopsida, Monocotyledonae, Monocotyledones
Member holonyms: Arales, Order Arales, Order Pandanales, Pandanales, Order Palmales, Palmales
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