The story
A calque from an Iroquoian language, compare Mohawk áhsen nikontatenò:sen, Oneida áshʌnaɂtekutahnú·tele, and Onondaga ahsę́ naˀdegųdęhnų́·dæ·ˀ. First attested in 1850 in the context of Iroquoian mythology (see quote below). Use in reference to the plants themselves first attested in the 1890s (see also below).
Etymology from Wiktionary, CC BY-SA 4.0.