stipule

[stip-yool]

noun Botany.

one of a pair of lateral appendages, often leaflike, at the base of a leaf petiole in many plants.

Origin of stipule

1785–95; < Latin stipula stalk, noun use of feminine of *stipulus firm (recorded in LL); akin to stipes

Related formsstip·u·lar, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for stipules

needle, stalk, frond, petal, scale, blade, leaflet, flag, pad, bract, stipule, petiole, foliole

Examples from the Web for stipules

Historical Examples of stipules

Leaves but little or not at all heart-shaped; stipules linear-lanceolate.
Trees of the Northern United States
Austin C. Apgar
Even if the stipules have dropped off, the small scars remain.
Trees of the Northern United States
Austin C. Apgar
Most Willows show the stipules on the young luxuriant growths.
Trees of the Northern United States
Austin C. Apgar
The presence and character of the stipules should always be noted.
Field and Woodland Plants
William S. Furneaux
Its stipules are large, narrow-oval in form, with an arrow-shaped base.
Field and Woodland Plants
William S. Furneaux

British Dictionary definitions for stipules

stipule

noun

a small paired usually leaflike outgrowth occurring at the base of a leaf or its stalk

Derived Formsstipular (ˈstɪpjʊlə), adjective

Word Origin for stipule

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

Word Origin and History for stipules

stipule

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

stipules in Science

stipule

[stĭp′yōōl]

One of the usually small, paired parts resembling leaves at the base of a leafstalk in certain plants, such as roses and beans.