perennial of northern hemisphere with slender stems and bell-shaped blue flowers पर्याय: harebell, Campanula rotundifolia,
one of the most handsome prairie wildflowers having large erect bell-shaped bluish flowers; of moist places in prairies and fields from eastern Colorado and Nebraska south to New Mexico and Texas पर्याय: prairie gentian, tulip gentian, Eustoma grandiflorum,