☆ an American wildflower (Arisaema dracontium) of the arum family, with a very long spadix and a slender, greenish spathe
See green dragon in American Heritage Dictionary 4
noun
A tuberous plant (Arisaema dracontium) of eastern North America, having divided leaves and minute flowers at the base of a long slender spadix projecting from a narrow green spathe. Also called dragonroot.