Source : WordNet®

blue sage
     n 1: sage of western North America to Central America having
          violet-blue flowers; widespread in cultivation [syn: {Salvia
          reflexa}, {Salvia lancifolia}]
     2: Texas sage having intensely blue flowers [syn: {mealy sage},
         {Salvia farinacea}]
     3: blue-flowered sage of dry prairies of the eastern United
        States [syn: {Salvia azurea}]
     4: aromatic shrub of arid regions of western North America
        having hoary leaves [syn: {big sagebrush}, {Seriphidium
        tridentatum}, {Artemisia tridentata}]