Page authors: Don Knoke, David Giblin
Frasera fastigiata
clustered frasera, Umpqua green-gentian

Distribution: In the Blue Mountains of Washington; Oregon, east to northeast Idaho.

Habitat: Moist woods and meadowlands.

Flowers: May-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Glabrous, glaucous perennials from a simple crown, the stems usually single, 5-15 dm. tall.


Basal leaves obovate to spatulate-oblanceolate, 20-45 cm. long and 5-12 cm. broad, thin, acute; cauline leaves in whorls of 3 or 4, lanceolate, acuminate.


Inflorescence narow, congested, the branches erect; calyx lobes 4, 5-13 mm. long, lanceolate, acuminate; corolla deeply 4-lobed, broadly tubular, pale to dark blue, with fringed processes at the base of each lobe, and a shallow, orbicular pit just above them; stamens 4, distinct; style 1 mm. long.


Capsule ovoid, 12-18 mm. long.

Accepted Name:
Frasera fastigiata (Pursh) A. Heller
Publication: Bulletin of the Torrey Botanical Club 24(6): 312. 1897.

Synonyms & Misapplications:
Swertia fastigata Pursh, orthographic variant [JPM]
Additional Resources:

PNW Herbaria: Specimen records of Frasera fastigiata in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Frasera fastigiata checklist entry.

OregonFlora: Frasera fastigiata information.

E-Flora BC: Frasera fastigiata atlas page.

CalPhotos: Frasera fastigiata photos.

USDA Plants: Frasera fastigiata information.

33 photographs:
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