What is the collective noun for branches?

There isn't one universally accepted collective noun for branches. However, here are a few options depending on the context:

General:

* A cluster of branches

* A thicket of branches

* A tangle of branches

Specific:

* A bough of branches (referring to large, heavy branches)

* A sprawl of branches (referring to widely spread branches)

* A canopy of branches (referring to branches forming a dense overhead cover)

Ultimately, the best collective noun depends on the specific image you are trying to convey.