[@Kronshi] Technically it's fossilised (petrified usually refers to mineralized wood and jet's a mineraloid, a form of lignite which is like coal), but yes, it is tree, therefore Groot.

[s]There is no escape from the Groot.
[color=f7941d]
We [/color][color=fafabe]//are//[/color][color=00aeef]Groot. [/color][/s]