Gentiana simplexGentianella simplex Gentianopsis simplex is a species of flowering plant in the gentian family known by the common name oneflower fringed gentian.

[1] It is native to the western United States, where it is most common in moist mountain habitats.

The leaves are lance-shaped to oval and located at the base and occasionally along the stem.

The flower is one to four centimeters long and light to deep bluish-purple with white staining, especially inside.

The lobes are fringed along the edges and may be in a twisted or pinwheel arrangement.