Gentianopsis crinita (sometimes called 'greater fringed gentian' or 'blue gentian') is a biennial herbaceous species, native to eastern USA and eastern Canada. Fringed gentian flowers open on sunny days, but generally remain closed on cloudy days. Individual plants live for only one or two years; the plant is noted as having become relatively rare.In autumn, solitary, iridescent blue flowers develop on naked peduncles approximately 2 to 10 cm (3⁄4 to 4 in) in height. Each finely fringed petal is ...