leaf scar


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leaf scar

n.
The mark left on a twig after a leaf falls.
References in periodicals archive ?
The tree seals the cut and eventually the leaf blows away, leaving behind a leaf scar.
For each genus, information is given on scientific name, common name, family name, Latin meaning of generic name, habit (tree, shrub, or vine), bark features, twig features (including pith type, bud positions, and types), leaf scar arrangement, bundle scar number, presence or absence of stipule scars, fruit type, and other notes.
Specimens belonging to the lycopsid genus Bothrodendron are identified by distinctive shoots that have small superficial leaf scars. The species are distinguished on the basis of leaf scar shape and ornamentation on their stem surfaces.
Cut stems 30cm long, just below a leaf scar at the bottom and just above one at the top.
The basic parts of the stem are the terminal bud, bud scale, terminal bud-scale scar, axillary bud or lateral bud, node, internode, leaf scar, and lenticel.
The leaf scar protrudes under the bud, which is shield shaped, and the outer bud scales are brownish.
Leaf Scar. This is a scar that is left when a leaf drops from the stem.
The tree eventually severs the tissues that support the leaf and it seals the cut so when the leaf is blown off by the wind, or falls from its own weight, a leaf scar is left.
Simply remove a leaf about 12in from the top of the plant and make an upward slanting cut behind the leaf scar, 1/4in deep and 2in long.
A nutrient solution, 0.5 mL diluted Ortho-Gro fertilizer (concentrated liquid NPK [12-6-6 plus trace Fe, Zn, MgO, Mn, Cu, B, S, Mo, and Co, diluted as instructed at 7 drops/L of water]), was injected into the inner stem (where ants deposit frass) through a hole from the lowest leaf scar on each shrub at 2-wk intervals.
Take tip cuttings just below a leaf or leaf scar. Strip off all leaves on the lower half of the stem.
The tree seals the cut and eventually, the leaf blows away, leaving behind a leaf scar.