Of, relating to, or resembling fungi of the boletus family, characterized by having pores or tubes instead of gills.
From 'bolete' plus the Latin-derived suffix '-aceous' meaning having the character of or belonging to; similar to 'herbaceous' or 'cretaceous'.
This technical adjective lets mycologists quickly classify fungi—the difference between gills and tubes is actually a major evolutionary split that happened millions of years ago and determines both taste and toxicity!
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