class Monocotyledones
n 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 [syn: {Monocotyledones}, {class Monocotyledones},
{Monocotyledonae}, {class Monocotyledonae}, {Liliopsida},
{class Liliopsida}]