1. 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
   - Monocotyledones, class Monocotyledones, class Monocotyledonae, Liliopsida, class Liliopsida

Type of: class

Part of: Angiospermae, Anthophyta, class Angiospermae, division Anthophyta, division Magnoliophyta, Magnoliophyta

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