gentian
gen.tian \'jen-ch*n\ n [ME gencian, fr. MF gentiane, fr. L gentiana] 1: any of two genera (Gentiana and Dasystephana) of herbs of a family (Gentianaceae, the gentian family) with opposite smooth leaves and showy usu. blue flowers 2: the rhizome and roots of the yellow gentian (Gentiana lutea) used as a tonic and stomachic