class - (biology) a taxonomic group containing one or more orders

liliopsid genus, monocot genus - genus of flowering plants having a single cotyledon (embryonic leaf) in the seed

Angiospermae, Anthophyta, class Angiospermae, division Anthophyta, division Magnoliophyta, Magnoliophyta - comprising flowering plants that produce seeds enclosed in an ovary; in some systems considered a class (Angiospermae) and in others a division (Magnoliophyta or Anthophyta)

endogen, liliopsid, monocot, monocotyledon - a monocotyledonous flowering plant; the stem grows by deposits on its inside

Alismatidae, subclass Alismatidae - one of four subclasses or superorders of Monocotyledones; comprises about 500 species in 14 families of aquatic and semi-aquatic herbs

Arecidae, 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 Lemnaceae

Commelinidae, subclass Commelinidae - one of four subclasses or superorders of Monocotyledones; comprises about 19,000 species in 25 families of mostly terrestrial herbs especially of moist places including: Cyperaceae; Gramineae; Bromeliaceae; and Zingiberaceae

Liliidae, subclass Liliidae - one of four subclasses or superorders of Monocotyledones; comprises 17 families including: Liliaceae; Alliaceae; Amaryllidaceae; Iridaceae; Orchidaceae; Trilliaceae

Alismales, Naiadales, order Alismales, order Naiadales - an order of aquatic monocotyledonous herbaceous plants