Source : Webster's Revised Unabridged Dictionary (1913)

Gentianella \Gen`tian*el"la\, n. [See {Gentian}.]
   A kind of blue color. --Johnson.

Source : WordNet®

Gentianella
     n 1: genus of herbs with flowers that resemble gentian; in some
          classifications included in genus Gentiana [syn: {genus
          Gentianella}]
     2: low-growing alpine plant cultivated for its dark glossy
        green leaves in basal rosettes and showy solitary
        bell-shaped blue flowers [syn: {Gentiana acaulis}]