Gentiana andrewsii

Gentiana andrewsii Griseb.
Engl.: bottle gentian, closed bottle gentian, closed blue gentian, closed gentian.
Deu.: Prärie-Enzian.
Bot. syn.: Dasystephana andrewsii (Griseb.) Small, Pneumonanthe andrewsii (Griseb.) W. A. Weber.