Leaf-scar



noun, Botany.
1.
the mark left on a stem or twig after a leaf falls.
leaf scar
The mark left on a stem after a leaf falls. Leaf scars can be used to identify tree species in winter or from specimens of their twigs.

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  • Leaf sheath

    noun 1. (botany) the basal part of a grass leaf that encircles the stem

  • Leaf sight

    noun 1. a folding rear sight on certain rifles



  • Leaf site

    A machine that merely originates and reads Usenet news or mail, and does not relay any third-party traffic. Often uttered in a critical tone; when the ratio of leaf sites to backbone, rib, and other relay sites gets too high, the network tends to develop bottlenecks. Compare backbone site, rib site. [Jargon File]

  • Leaf-spot

    noun, Plant Pathology. 1. a limited, often circular, discolored, diseased area on a leaf, usually including a central region of necrosis. 2. any disease so characterized. noun 1. any of various plant diseases, usually caused by fungi: characterized by dark lesions on the leaves leaf spot Any of various plant diseases resulting in well-defined necrotic […]



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