giant helleborine

Noun giant helleborine has 1 sense

• giant helleborine(n = noun.plant) chatterbox, epipactis gigantea, stream orchid - 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;
is a member of epipactis, genus epipactis
is a kind of helleborine