Type of fungus (8)
I believe the answer is:
mushroom
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">type of fungus</span>' is the definition.<br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for mushroom that I've seen before include "that may be edible?" , "Grow rapidly" , "Rapidly increase; fungus" , "Food fungus" , "Balloon" .)