1. Perennial of damp places in mountains of Eurasia and North America having dull-coloured blue or violet flowers
   "marsh felwort is adapted to high-altitude wetlands";
   - Swertia perennis, felwort
    
2. A small annual herb with star-shaped blue flowers, found in wet areas across northern North America, Europe, and Asia
   "marsh felwort blooms in late summer in Arctic wetlands";
   - Lomatogonium rotatum

Derived forms: marsh felworts

Type of: herb, herbaceous plant

Part of: genus Swertia, Swertia