Monocotyledones, class Monocotyledones, Monocotyledonae, class Monocotyledonae, Liliopsida, class Liliopsida

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 Liliidae

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

• monocot genus, liliopsid genus — genus of flowering plants having a single cotyledon (embryonic leaf) in the seed
• monocot, monocotyledon, liliopsid — a monocotyledonous flowering plant
• 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
• Naiadales, order Naiadales, Alismales, order Alismales — an order of aquatic monocotyledonous herbaceous plants

• Angiospermae, class Angiospermae, Magnoliophyta, division Magnoliophyta, Anthophyta, division Anthophyta — 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)