Everything about Twig totally explained
A
twig is a small terminal
branch section that may bear
leaves,
buds and sometimes the
flowers and
fruit of
plants. Only
dicotyledonous
flowering
woody plants and most
gymnosperms have true twigs;
monocotyledons and
tree ferns do not.
Twigs are critically important in identification of
trees,
shrubs and
vines, especially in wintertime. The buds on the twig are an important diagnostic characteristic, as are the
abscission scars where the leaves have fallen away. The color, texture, and patterning of the twig
bark is also important, as is the thickness and nature of any
pith of the twig.
There are two types of twigs: vegetative twigs and fruiting spurs. Fruiting spurs are specialized twigs that generally branch off the sides of branches and leading twigs, and are stubby and slow-growing, with many annular ring markings from seasons past. The age and rate of growth of a twig can be determined by counting the winter terminal bud scale scars, or annular ring marking, down the length of the twig.
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