stipule

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stipule

one of a pair of leaflets found at the base of a leaf where it joins the stem. Stipules are common in many plant families such as Rosaceae.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Scanning electron microscopy revealed the presence of stipular colleters on Morinda citrifolia stipule adaxial surface.
The genus Vachellia, which includes species of Acacia sensu lato with paired stipular spines, consists of 60 species in the New World tropical and subtropical areas ranging from southern United States south to Argentina (Seigler and Ebinger, 2005).
Irvingia gabonesis (ogbono) is a wild seed bearing many fruit plant that grows to a height of 15-40m and has a dense, compact crown, branchlets ending in narrow, curved stipular sheath covering the leaf bud.
faginea, but differs by the number of buds on branch apices, stipular shape, petiolar surface, inflorescence length and position, stylar branching, and fruit peduncle and spines.