from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of or relating to the arrangement of the hymenium of some mushroom species in the genera Coprinus, Coprinopsis, and Coprinellus. The intermittent maturation and shedding of spores in radial bands beginning from the periphery of each gill, deliquescing from the bottom and advancing upwards.
From in- + aequi- + hymenium + -iferous. Coined by mycologist Arthur Henry Reginald Buller in 1909. (Wiktionary)