tangleroot
/ˈtæŋ.gər.uːt/Definitions
1. noun
A type of shrub or small tree with thorns, especially the Mexican buckthorn (Rhamnus lanceolata) or the coffeeberry (Rhamnus californica); also, a plant with entangling or snarling properties.
“The hikers had to navigate through the thick, thorny tangle of the tangleroot to reach the mountain summit.”