the world > plants > particular plants > cultivated or valued plants > plants yielding fuel or manure > [noun] > fungi yielding tinder (2)
More fully †touchwood boletus, touchwood fungus. Any of several bracket fungi used as tinder, esp. Fomes fomentarius (family Coriolaceae) and Phe…
Originally: the bracket fungus Fomitopsis officinalis, which grows mainly on larch; a preparation of this, formerly used medicinally chiefly as a…