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|Noun||1.||marsh gentian - perennial Eurasian gentian with sky-blue funnel-shaped flowers of damp open heaths|
Gentiana, genus Gentiana - type genus of the Gentianaceae; cosmopolitan genus of herbs nearly cosmopolitan in cool temperate regions; in some classifications includes genera Gentianopsis and Gentianella
gentian - any of various plants of the family Gentianaceae especially the genera Gentiana and Gentianella and Gentianopsis