familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Penstemon
speciesPenstemon gairdneri
Penstemon gairdneri var. oreganus
in A. Gray et al., Syn. Fl. N. Amer. ed. 2, 2(1): 441. 1886. (as Pentstemon)
Endemic
Synonyms: Penstemon gairdneri subsp. oreganus (A. Gray) D. D. Keck
Treatment appears in FNA Volume 17. Treatment on page 204.
Stems 20–40 cm. Leaves opposite, sometimes alternate.
Phenology: Flowering May–Jun.
Habitat: Rock outcrops, sagebrush shrublands, prairies.
Elevation: 1000–1600 m.
Discussion
Variety oreganus occurs in eastern Oregon and central Idaho.
Selected References
None.
Lower Taxa
None.