Firava 1

They are plants with a structure similar to trees, with a trunk that seems made of rocks, roots strong enough to break the hard rocks at the bottom of the lava lake, and many thin branches that have leaves that are pretty similar to normal trees' leaves. They also actually need a name.

This is a stub. If you are interested in it, let me know either in Discord (such as in my discord or in my DMs) or as a comment here.