Volcanoss

Volcanoss is a type of vegetation found in the Fire Temple.

LEGO.com Description
Wildlife:Vegetation Warning! Pack fireproof gloves, because it's an oven in here!

Volcanoss: The only moss afraid of water, Volcanoss is really quite bright. It erupts at room temperature, and is perfect fuel for the Fire Temple's fire. Volcanoss doesn't make fire, it is fire.