Page authors: Don Knoke, David Giblin
Delphinium viridescens
Wenatchee larkspur

Distribution: Occurring east of the Cascades crest in Washington, where endemic to the Wenatchee Mountains of Chelan and Kittitas counties.

Habitat: Boggy meadowlands.

Flowers: June-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Threatened in Washington (WANHP)

Pollination: Bumblebees, bees, flies, butterflies, hummingbirds


Stout perennial from a short rhizome, the several hollow stems 8-12 dm. tall, glabrous below but with copious stalked, yellow glands above and throughout the inflorescence.


Basal and lower cauline leaves long-petiolate, the blades up to 10 cm. broad, divided into 3 main wedge-shaped lobes, these once or twice cleft into oblong-rounded segments; mid-cauline leaves short-petiolate and overlapping, nearly erect, divided into narrow, acute segments, abruptly transitional to the lower leaves, but gradually transitional to the linear, entire, bract-like upper leaves.


Inflorescence usually a simple, narrow raceme, the pedicels shorter than the flowers; sepals 5, purplish, but strongly streaked with yellow or greenish-yellow, oblanceolate, glandular, 7-11 mm. long; spur thick, straight, 7-10 mm. long; petals 4, yellowish or purple, the lower pair densely soft-hairy, equaling the sepals; stamens numerous; pistils 3.


Follicles 6-8 mm. long, erect, densely glandular-pubescent.

Accepted Name:
Delphinium viridescens Leiberg
Publication: Proc. Biol. Soc. Wash. 11: 39. 1897.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Delphinium viridescens in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Delphinium viridescens checklist entry.

OregonFlora: Delphinium viridescens information.

E-Flora BC: Delphinium viridescens atlas page.

CalPhotos: Delphinium viridescens photos.

USDA Plants: Delphinium viridescens information.

25 photographs:
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