men(t)ˈsēlēə noun
Etymology: New Latin, from Christian Mentzel died 1701 German physician and botanist + New Latin -ia
1. capitalized : a genus of scabrous and bristly western American herbs or undershrubs (family Loasaceae) with alternate leaves, yellow or white flowers, and a one-celled ovary with numerous ovules
2. -s
a. : any plant of the genus Mentzelia — called also bartonia
b. : a plant of the related genus Nuttallia