Branch

A branch (UK: /ˈbrɑːntʃ/ or UK: /ˈbræntʃ/, US: /ˈbræntʃ/) or tree branch (sometimes referred to in botany as a ramus) is a woody structural member connected to but not part of the central trunk of a tree (or sometimes a shrub). Large branches are known as boughs and small branches are known as twigs.[1] The term "twig" often refers to a terminus, while "bough" refers only to branches coming directly from the trunk.

For other uses, see Branch (disambiguation).
Tree branches of several sizes.
The branches of this dead Camelthorn tree within Sossusvlei are clearly visible
The branches and leaves of a tree.
Looking up into the branch structure of a Pinus sylvestris tree
Leafless tree branches during winter
Exploitation of evergreen bough at the Golden Steinrueck, Vogelsberg

Due to a broad range of species of trees, branches and twigs can be found in many different shapes and sizes. While branches can be nearly horizontal, vertical, or diagonal, the majority of trees have upwardly diagonal branches. A number of mathematical properties are associated with tree branchings: they are natural examples of fractal patterns in nature, and, as observed by Leonardo da Vinci, their cross-sectional areas closely follow the da Vinci branching rule.

Words

Because of the enormous quantity of branches in the world, there are a variety of names in English alone for them. In general however, unspecific words for a branch (such as rise) have been replaced by the word branch itself.

Specific terms

A bough can also be called a limb or arm, and though these are arguably metaphors, both are widely accepted synonyms for bough.[2][3]

A crotch or fork is an area where a trunk splits into two or more boughs.

A twig is frequently referred to as a sprig as well, especially when it has been plucked.[4] Other words for twig include branchlet, spray, and surcle, as well as the technical terms surculus and ramulus.

Branches found under larger branches can be called underbranches.

Some branches from specific trees have their own names, such as osiers and withes or withies, which come from willows. Often trees have certain words which, in English, are naturally collocated, such as holly and mistletoe, which usually employ the phrase "sprig of" (as in, a "sprig of mistletoe"). Similarly, the branch of a cherry tree is generally referred to as a "cherry branch", while other such formations (i.e., "acacia branch" or "orange branch") carry no such alliance. A good example of this versatility is oak, which could be referred to as variously an "oak branch", an "oaken branch", a "branch of oak", or the "branch of an oak [tree]".

Once a branch has been cut or in any other way removed from its source, it is most commonly referred to as a stick, and a stick employed for some purpose (such as walking, spanking, or beating) is often called a rod. Thin, flexible sticks are called switches, wands, shrags, or vimina (singular vimen).

History and etymology

In Old English, there are numerous words for branch, including seten, stofn, telgor, and hrīs. There are also numerous descriptive words, such as blēd (that is, something that has bled, or "bloomed", out), bōgincel (literally "little bough"), ōwæstm (literally "on growth"), and tūdornes (literally "offspringing"). Numerous other words for twigs and boughs abound, including tān, which still survives as the "-toe" in mistletoe.[5]

Latin words for branch are ramus or cladus. The second term is an affix found in other modern words such as cladodonts (prehistoric sharks with branched teeth) or cladogram.

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See also

References
  1. Driscoll, Michael; Meredith Hamiltion; Marie Coons (May 2003). A Child's Introduction Poetry. 151 West 19th Street New York, NY 10011: Black Dog & Leventhal Publishers. p. 10. ISBN 1-57912-282-5.CS1 maint: location (link)
  2. "limb" on Merriam-Webster.
  3. "arm" on Merriam-Webster.
  4. "sprig" on Encarta.
  5. "mistletoe" on American Heritage. Archived May 2, 2007, at the Wayback Machine
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