Swertia perennia swer·tia·pe·rennia uncommon noun 1. perennial of damp places in mountains of Eurasia and North America having dull-colored blue or violet flowers Synonymsmarsh felwortSwertia perennia Related words Broader terms herb Parts Swertia WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
