lo·be·li·a 
(lō-bēlē-ə, -bēlyə)
(lō-bēlē-ə, -bēlyə)n.
Any of numerous plants of the genus Lobelia, having terminal racemes of variously colored flowers with a bilabiate corolla.
[New Latin Lobelia, genus name, after Matthias de Lobel (1538-1616), Flemish botanist and physician.]