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

Alpine Bog Felwort, Felwort, Swertia

Swertia perennis

Synonym: Swertia perennis var. obtusa

Inflorescence of Alpine Bog Felwort, Felwort, Swertia: Swertia perennis (Synonym: Swertia perennis var. obtusa)

Close-up of the inflorescence of felwort as seen along the Canyon Mountain Trail #218, Strawberry Mountain Wilderness.........August 19, 2011.

Flower of Alpine Bog Felwort, Felwort, Swertia: Swertia perennis (Synonym: Swertia perennis var. obtusa) - Close-up of the flower buds (and sepals) of Alpine Bog Felwort, Felwort, Swertia: Swertia perennis (Synonym: Swertia perennis var. obtusa)

Close-up of the inflorescence of Alpine Bog Felwort, Felwort, Swertia: Swertia perennis (Synonym: Swertia perennis var. obtusa) - Alpine Bog Felwort, Felwort, Swertia: Swertia perennis (Synonym: Swertia perennis var. obtusa)

Close-up sideview of a flower of Alpine Bog Felwort, Felwort, Swertia: Swertia perennis (Synonym: Swertia perennis var. obtusa) -

Additional close-ups of the flowers and leaves of felwort as seen along the Canyon Mountain Trail #218, Strawberry Mountain Wilderness..........August 19, 2011.

Flower of Alpine Bog Felwort, Felwort, Swertia: Swertia perennis (Synonym: Swertia perennis var. obtusa) - Flowers of Alpine Bog Felwort, Felwort, Swertia: Swertia perennis (Synonym: Swertia perennis var. obtusa)

Moist meadow habitat of Alpine Bog Felwort, Felwort, Swertia: Swertia perennis (Synonym: Swertia perennis var. obtusa)

Felwort as seen in a seep near meadows surrounding an old reservoir near Olive Lake, Umatilla National Forest.........July 28, 2013. Associate speciesat this site include swamp onion (Allium validum) and hairy arnica (Arnica mollis), Cusick's clover (Trifolium eriocephalum var. cusickii), and small-fruited bulrush (Scirpus microcarpus).
Paul Slichter