monocotyledon
Americannoun
noun
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Any of a class of angiosperm plants having a single cotyledon in the seed. Monocotyledons have leaves with parallel veins, flower parts in multiples of three, and fibrous root systems. Their primary vascular bundles are scattered throughout the stem, not arranged in a ring as in eudicotyledons. Grasses, palms, lilies, irises, and orchids are monocotyledons.
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See more at leaf Compare eudicotyledon
Other Word Forms
- monocotyledonous adjective
Etymology
Origin of monocotyledon
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Example Sentences
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This will bring up the terms dicotyledon and monocotyledon.
From Outlines of Lessons in Botany, Part I; from Seed to Leaf by Newell, Jane H.
The case described in your last letter of the trimorphic monocotyledon Pontederia is grand.
From More Letters of Charles Darwin — Volume 2 by Darwin, Francis, Sir
In Palæozoic strata the entire want of plants of the most complex organisation is very striking, for not a single dicotyledonous angiosperm has yet been found, and only one undoubted monocotyledon.
From The World's Greatest Books — Volume 15 — Science by Hammerton, John Alexander, Sir
Zea mays: Sensitiveness of the apex of the Radicle to contact.—A large number of trials were made on this plant, as it was the only monocotyledon on which we experimented.
From The Power of Movement in Plants by Darwin, Charles
Nothing could be more useful than botany-those who could not distinguish between a dicotyledon and a monocotyledon could certainly never rightly grasp the nature of a hedgerow.
From Hodge and His Masters by Jefferies, Richard
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.