TWIGS
There are important distinctions between branches and twigs.  Branches are heavy structural elements, representing fairly mature tissue, that support twigs.  Twigs, on the other hand, specifically bear leaves, flowers, fruit, and buds, and usually have a markedly different bark and appearance from branches.  Twigs are critically important in species identification.  I'll edit the separate branch and twig articles later to make sure this is reflected.

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