Frasera albicaulis var. idahoensis
Vasc. Pl. Pacif. N.W. 4: 60. 1959.
Common names: Idaho frasera
EndemicConservation concern
Basionym: Swertia idahoensis H. St. John Amer. Midl. Naturalist 26: 24. 1941
Synonyms: S. albicaulis var. idahoensis (H. St. John) J. S. Pringle
Treatment appears in FNA Volume 14.
Stems glabrous. Leaf blades glabrous. Flowers: calyx glabrous; corolla pale blue, usually without darker spots; corona scales widely ovate to elliptic, 2–6 mm, margins deeply lacerate; rim of differentiated area on corolla surface fringed all around, fringes shorter near distal end.
Phenology: Flowering early summer.
Habitat: Dry to moist, rocky slopes, open pine woods.
Elevation: 900–2100 m.
Discussion
Variety idahoensis is endemic to the Seven Devils Mountains in Adams County, Idaho, and the Wallowa Mountains in northeastern Oregon.
Selected References
None.
Lower Taxa
None.