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stipule

[stip-yool] /ˈstɪp yul/
noun, Botany
1.
one of a pair of lateral appendages, often leaflike, at the base of a leaf petiole in many plants.
Origin
1785-1795
1785-95; < Latin stipula stalk, noun use of feminine of *stipulus firm (recorded in LL); akin to stipes
Related forms
stipular, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for stipule
  • Leaf tips gradually taper to a point, and a thin sheath or stipule covers the basal parts of leaves.
  • There is little or no stipule where the leaf is attached to the stem.
  • The flowers are sessile in axils of the stipule-lacking leaves.
  • The leaf scar surrounds the bud and the stipule scar surrounds the twig.
British Dictionary definitions for stipule

stipule

/ˈstɪpjuːl/
noun
1.
a small paired usually leaflike outgrowth occurring at the base of a leaf or its stalk
Derived Forms
stipular (ˈstɪpjʊlə) adjective
Word Origin
C18: from Latin; see stipe, stipes
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for stipule
n.

"small appendage at the base of the petiole of a leaf," 1793, from French stipule, from Latin stipula "stalk (of hay), straw."

Online Etymology Dictionary, © 2010 Douglas Harper
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stipule in Science
stipule
  (stĭp'yl)   
One of the usually small, paired parts resembling leaves at the base of a leafstalk in certain plants, such as roses and beans.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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9
12
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