- stream orchid, chatterbox, giant helleborine, Epipactis gigantea - orchid growing along streams or ponds of western North America having leafy stems and 1 greenish-brown and pinkish flower in the axil of each upper leaf
--1 is a kind of helleborine
--1 is a member of Epipactis, genus Epipactis - chatterer, babbler, prater, chatterbox, magpie, spouter - an obnoxious and foolish and loquacious talker
--2 is a kind of speaker, talker, utterer, verbalizer, verbaliser