noun (plural -tum; also -tums) see: geront- Date: 1866 any of a genus ( Ageratum ) of annual tropical American composite herbs often cultivated for their small showy heads of usually blue or white flowers
AGERATUM
Meaning of AGERATUM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012