noun
: a woody perennial marsh herb ( Decodon verticillatus ) of the family Lythraceae of eastern No. America having opposite or whorled lanceolate leaves and magenta flowers in axillary clusters — called also swamp willow
noun
: a woody perennial marsh herb ( Decodon verticillatus ) of the family Lythraceae of eastern No. America having opposite or whorled lanceolate leaves and magenta flowers in axillary clusters — called also swamp willow
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012