stipule

American  

[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.

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stipule British  

/ ˈstɪpjuːl, ˈstɪpjʊlə /

noun

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

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stipule Scientific  

/ stĭp′yo̅o̅l /

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

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Other Word Forms

• stipular adjective

Etymology

Origin of stipule

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

Example Sentences

Seeds very numerous, on thick placentæ projecting from the axis, pendulous, with a loose membranaceous coat prolonged at both ends.—Shrubs, with opposite often toothed leaves, no stipules, and solitary or cymose-clustered showy white flowers.

From Project Gutenberg

The stipules are between the leaf-stalks, each consisting of two lateral ones united, or rarely with the tips free.

From Project Gutenberg

Here we have another modification, a development of the "stipule," that tiny pointed growth common to many leaves, and particularly notable at the base of a rose leaf.

From Project Gutenberg

Leaves.—Usually alternate; compound; with stipules; the latter sometimes transformed into thorns or tendrils.

From Project Gutenberg

The leaves when borne on an elongated stem are arranged alternately and have no stipules.

From Project Gutenberg

Related Words

• frond
• needle
• petal
• stalk