(n) 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.Liliopsida, class Monocotyledones, Monocotyledonae, class Monocotyledonae, class Liliopsida
n. [ Mono- + cotyledon: cf. F. monocotylédone. ] (Bot.) A plant with only one cotyledon, or seed lobe; a member of the Monocotyledonae. [ 1913 Webster ]
☞ The plural, monocotyledons, is used as the name of a large class of plants (the Monocotyledones, or Monocotyledonae), and is generally understood to be equivalent to the term endogens. [ 1913 Webster ]
prop. n. A class of plants comprising seed plants that produce an embryo with a single cotyledon and parallel-veined leaves: grasses; lilies; palms; and orchids. It is divided into four subclasses or superorders: Alismatidae; Arecidae; Commelinidae; and Liliidae. Syn. -- class Monocotyledones, Monocotyledonae, class Monocotyledonae, Liliopsida, class Liliopsida. [ WordNet 1.5 ]
[dān zǐ yè, ㄉㄢ ㄗˇ ㄧㄝˋ, 单子叶 / 單子葉] monocotyledon (plant family distinguished by single embryonic leaf, includes grasses, orchids and lillies) #137,805[Add to Longdo]
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