noun Date: 1838 a succulent herb ( Lewisia rediviva ) of the purslane family that grows in western North America and has starchy roots and pink or white flowers
BITTERROOT
Meaning of BITTERROOT in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012