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Definition of Monocotyledon

Babylon English

plant which has one cotyledon, plant with one seed leaves (Botany)
Monocotyledon Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(n.)
A plant with only one cotyledon, or seed lobe.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
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monocotyledon
\mon`o*cot`y*le"don\ (?), n. [mono- + cotyledon: cf. f. monocotylédone.] (bot.) a plant with only one cotyledon, or seed lobe.
note: the plural, monocotyledons, is used as the name of a large class of plants, and is generally understood to be equivalent to the term endogens.

WordNet 2.0

Noun
1. a monocotyledonous flowering plant; the stem grows by deposits on its inside
(synonym) monocot, liliopsid, endogen
(hypernym) angiosperm, flowering plant
(member-holonym) Monocotyledones, class Monocotyledones, Monocotyledonae, class Monocotyledonae, Liliopsida, class Liliopsida
Monocotyledon Definition from Science & Technology Dictionaries & Glossaries
A Botanical Glossary of Taxonomic Terminology
with a single cotyledon or seed-leaf
Monocotyledon Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
Monocotyledons (), more properly referred to as monocots, (Lilianae sensu Chase & Reveal) are flowering plants (angiosperms) whose seeds typically contain only one embryonic leaf, or cotyledon. They constitute one of the major groups into which the flowering plants have traditionally been divided, the rest of the flowering plants having two cotyledons and therefore classified as dicotyledons, or dicots. However, molecular phylogenetic research has shown that while the monocots form a monophyletic group or clade (comprising all the descendants of a common ancestor), the dicots do not. Monocots have almost always been recognized as a group, but with various taxonomic ranks and under several different names. The APG III system of 2009 recognises a clade called "monocots" but does not assign it to a taxonomic rank.

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