noun
: a common widely distributed erect branched weedy annual herb ( Polygonum persicaria ) with purplish stems, racemes of small pink flowers, and large lanceolate leaves often with a blackish blotch suggesting a thumbprint
noun
: a common widely distributed erect branched weedy annual herb ( Polygonum persicaria ) with purplish stems, racemes of small pink flowers, and large lanceolate leaves often with a blackish blotch suggesting a thumbprint
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012