[The Genus Swertia East of the Cascade Mts. of Oregon and Washington]

Clustered Frasera, Clustered Green Gentian, Umpqua Green-gentian

Frasera fastigiata

Synonym: Swertia fastigiata

Clustered Frasera, Clustered Green Gentian, Umpqua Green-gentian: Frasera fastigiata (Synonym: Swertia fastigiata)

The photo above shows a close-up of several flowers of clustered frasera as seen at Alder Thicket Campground in the Umatilla N.F.........June 25, 2007. Note the 4 petals, the 4 narrow sepals between petals, 4 large white andthers and the haired nectary at the inner base of each petal.

Calyx of Clustered Frasera, Clustered Green Gentian, Umpqua Green-gentian: Frasera fastigiata (Synonym: Swertia fastigiata)

The photo above shows a close-up of the outside of a flower of clustered frasera as seen at Alder Thicket Campground in the Umatilla N.F........June 25, 2007. Note the 4 narrow sepals located between each of the petals.

Stem leaves of Clustered Frasera, Clustered Green Gentian, Umpqua Green-gentian: Frasera fastigiata (Synonym: Swertia fastigiata)

The photo above shows the stem leaves of clustered frasera as seen at Alder Thicket Campground in the Umatilla N.F.........June 25, 2007. Note that the stem leaves are in whorls of 3 leaves.

Basal leaf of Clustered Frasera, Clustered Green Gentian, Umpqua Green-gentian: Frasera fastigiata (Synonym: Swertia fastigiata)

The photo above shows a basal leaf of clustered frasera as seen at Alder Thicket Campground in the Umatilla N.F.........June 25, 2007. The broad petiole is hidden in the shadow at the bottom of the photo.

Clustered Frasera, Clustered Green Gentian, Umpqua Green-gentian: Frasera fastigiata (Synonym: Swertia fastigiata)

The photo above shows the typical form of clustered frasera as seen at Alder Thicket Campground in the Umatilla N.F.........June 25, 2007.

Inflorescence of Clustered Frasera, Clustered Green Gentian, Umpqua Green-gentian: Frasera fastigiata (Synonym: Swertia fastigiata)

The photo above shows a close-up of the inflorescence of clustered frasera as seen at Alder Thicket Campground in the Umatilla N.F.........June 25, 2007.

Clustered Frasera, Clustered Green Gentian, Umpqua Green-gentian: Frasera fastigiata (Synonym: Swertia fastigiata)- Clustered Frasera, Clustered Green Gentian, Umpqua Green-gentian: Frasera fastigiata (Synonym: Swertia fastigiata) - Clustered Frasera, Clustered Green Gentian, Umpqua Green-gentian: Frasera fastigiata (Synonym: Swertia fastigiata)

These 3 photos show close-ups of clustered frasera as photographed along forest road #4304 west of Anatone, WA in the Umatilla N.F........July 6, 2008. White-flowered plants were about equal in number as the bluish-flowered forms at this location.

Flower of Clustered Frasera, Clustered Green Gentian, Umpqua Green-gentian: Frasera fastigiata (Synonym: Swertia fastigiata)

The photo above shows another close-up of the flower of clustered frasera as seen at Alder Thicket Campground in the Umatilla N.F.......June 25, 2007. Note the 4 petals, the narrow sepals between petals, and the haired nectary at the inner base of each petal.

Clustered Frasera, Clustered Green Gentian, Umpqua Green-gentian: Frasera fastigiata (Synonym: Swertia fastigiata) - Clustered Frasera, Clustered Green Gentian, Umpqua Green-gentian: Frasera fastigiata (Synonym: Swertia fastigiata)

Clustered frasera as seen on forested slopes at Fields Springs State Park, Asotin County, Washington..........June 11, 2013.

Clustered Frasera, Clustered Green Gentian, Umpqua Green-gentian: Frasera fastigiata (Synonym: Swertia fastigiata) - Clustered Frasera, Clustered Green Gentian, Umpqua Green-gentian: Frasera fastigiata (Synonym: Swertia fastigiata)

Clustered frasera as seen on forested slopes near the summit of Kamiak Butte, Kamiak Butte County Park, Whitman County, Washington............June10, 2013.

Paul Slichter