Page author: David Giblin
Gentiana douglasiana
swamp gentian
Specimens
Photos

Distribution: Occurring west of the Cascades crest in Washington; Alaska to Washington.

Habitat: Bogs and tundra.

Flowers: July-September

Origin: Native

Growth Duration: Annual

Conservation Status: Sensitive in Washington (WANHP)

Pollination: Bumblebees

Description:
General:

Annual, glabrous herbs, the freely-branching, distinctly-angled stems 5-20 cm. tall.

Leaves:

Basal leaves 5-15 mm. long, ovate to deltoid-obovate; cauline leaves opposite, few, ovate, 5-10 mm. long, attached to each other at the base.

Flowers:

Bracteate flowers on long pedicels arise for the axils of most of the leaves, the entire plant apparently one large inflorescence; calyx 4-6 mm. long, the 5 lobes acuminate, keeled, about half the length of the tube; corolla narrowly funnel-shaped, about twice the length of the calyx, the 5 lobes folded like a fan, with bifid projections in the sinuses; corolla tube whitish, the lobes blue on the back, about the length of the tube, oblong-lanceolate; stamens 5, attached mid-length in the corolla tube; ovary superior, without a stipe.

Fruits:

Capsule flattened and wing-margined, crested above.

Accepted Name:
Gentiana douglasiana Bong.
Publication: Mém. Acad. Imp. Sci. Saint Pétersbourg (Sér. 7) 2(2): 156, pl. 6. 1832.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Gentiana douglasiana in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Gentiana douglasiana checklist entry

OregonFlora: Gentiana douglasiana information

E-Flora BC: Gentiana douglasiana atlas page

CalPhotos: Gentiana douglasiana photos

14 photographs:
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