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A branch, or a subtree, is a part of a (phylogenetic) tree that can be separated from the rest of the tree by removing a single edge. For example, in a tree (A, (B, (C, D))) – see the Newick format for trees – the nodes B, C, and D comprise a single branch but the nodes B and C do not. Branches are bound together by Bindefehler in the common errors method, and may be called a family.

Branch length means the same as edge length.

Illustration

Fig. 1. A tree with branch (B, (C, D)).

In other languages

DE: Zweig, Unterbaum
FR: branche, sous-arbre
IT: ramo, sottografo

TR

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