Synonyms: Gentiana affinis var. oregana, Gentiana affinis var. ovata, Gentiana affinis var. parvidentata, Gentiana interrupta, Gentiana oregana
- 
- 
Pleated gentian in bud in grasslands in deeper, drier soils towards the edges of Summit Prairie, Malheur National Forest........August 20, 2011. Note that there are multiple flowers clustered atop each stem.
- 
Young, leafy stems of pleated gentian (left) two months prior to blooming. Photographed at Summit Prairie, Malheur National Forest.........May 28, 2014. Pleated gentian in bloom in Summit Prairie, Malheur National Forest........August 10, 2015.
