stipule

[stip-yool]

noun

Botany.

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

stipule

/ ˈstɪpjuːl, ˈstɪpjʊlə /

noun

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

stipule

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

Other Word Forms

• stipular adjective

Word History and Origins

Origin of stipule¹

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

Word History and Origins

Origin of stipule¹

C18: from Latin; see _stipe , _stipes

Example Sentences

Styles 2, distinct.—Homely little weeds, with awl-shaped leaves, obscure greenish clustered flowers, and no stipules.

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

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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.

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

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

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Related Words

• frond 
• needle 
• petal 
• stalk