That would be the combination of the curling shape of its branches and its bark.
From the latimes.com
In the past, they've had team walks or taken trips to curling or jai alai games.
From the buffalonews.com
Santa the dog jumped up to trot back to his doghouse, curling into his blankets.
From the sfgate.com
Insert small wooden skewers the full length of prawn to prevent them curling up.
From the smh.com.au
As the TV lights flash on, he glances up, a smile curling around his puffy face.
From the time.com
I also use the mitt on my countertop to rest the curling iron on as it warms up.
From the washingtonpost.com
Also better than a safety pin to close a gaping blouse or tame a curling lapel.
From the courier-journal.com
He sends in a curling cross to the far post, where Javier Hernandez is lurking.
From the guardian.co.uk
By Friday, wisps of smoke still were curling on the wind at the top of the tower.
From the kentucky.com
More examples
Curled: of hair having curls
A game played on ice in which heavy stones with handles are slid toward a target
Curling is a sport in which players slide stones across a sheet of ice towards a target area. It is related to bowls, boule and shuffleboard.
Curling is a sheet metal forming process used to form the edges into a hollow ring. Curling can be performed to eliminate sharp edges and increase the moment of inertia near curled end. Other parts are curled to perform their primary function, such as door hinges.
(Curlers) A hair iron or hair tong is a tool used to change the structure of the hair using heat. There are three general kinds: curling irons, used to make the hair curly, straightening irons, commonly called straighteners or flat irons, used to straighten the hair, and crimping irons, used to ...
A winter sport where players aim and slide stones down a sheet of ice and attempt to get their color stones closest to the house (a circular target marked on the ice)
(Curled) or Spiral: horns with strong curvature, such that they circle in a helix. Seen in sheep, in which the horns curl round at the sides of the head to provide a hard, curved area to butt with; also in impala, which grow the horns upward and outward in a long spiral.
(Curled) A hair shaft form that is bent into or towards a spiral form.