Gentiana septemfida, the crested gentian or summer gentian, is a species of flowering plant in the family Gentianaceae, native to the Caucasus and Turkey. It is a low-growing herbaceous perennial growing to 15–20 cm (6–8 in) tall by 30 cm (12 in) wide, bearing up to eight bright blue trumpet-shaped blooms in summer, with striped interiors.