Dendro Vines (unofficial name) are objects found in Teyvat. They sometimes spawn around Ley Line Outcrops. When touched, they deal 100% ATK as Dendro DMG. When hit by a Pyro attack, they will burn down.
Dendro Vines may also appear around Chests, in which case they must be burned down in order for the chest to be opened. Even though these also appear thorny, touching this type of vines will not deal damage.
Dendro Samachurls can also summon three Dendro Vines around the player. These vines can be burnt down with Pyro, however they deal very low Physical DMG on contact rather than Dendro DMG.
While Elemental Sight is active, Dendro Vines will be Colored green. However, Dendro Vines summoned via Samachurl will not be Colored green while Elemental Sight is active.