Noun | 1. | Swertia - genus of herbs of mountains of North America and Eurasia and Africa dicot genus, magnoliopsid genus - genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination family Gentianaceae, gentian family, Gentianaceae - chiefly herbaceous plants with showy flowers; some are cultivated as ornamentals marsh felwort, Swertia perennia - perennial of damp places in mountains of Eurasia and North America having dull-colored blue or violet flowers |