| NOUN | plant | Arecidae, subclass Arecidae | one of four subclasses or superorder of Monocotyledones |
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| Meaning | 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. | |
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| Synonym | subclass Arecidae | |
| Member of | Monocotyledones, class Monocotyledones, Monocotyledonae, class Monocotyledonae, Liliopsida, class Liliopsida | Comprising seed plants that produce an embryo with a single cotyledon and parallel-veined leaves |
| Members | Arales, order Arales | Araceae |
| Palmales, order Palmales | coextensive with the family Palmae | |
| Pandanales, order Pandanales | families Typhaceae | |
| Broader | class | (biology) a taxonomic group containing one or more orders |
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