Page authors: Don Knoke, David Giblin
Delphinium multiplex
Kittitas larkspur

Distribution: Endemic to Chelan, Kittitas, and Yakima counties in Washington.

Habitat: Along rocky, usually intermitant streams or springs in sagebrush hills to moderate elevations in the mountains.

Flowers: May-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Rather stout perennial from thick, fibrous roots, the several stems simple, erect, hollow, 5-10 dm. tall, glandular-pubescent at least above.


Basal and lower cauline leaves thick and fleshy, long-petiolate, 5-12 cm. broad, 2-3 times lobed into oblong, rounded, entire segments; mid- and upper cauline leaves sub-sessile, crowded, more narrowly lobed and acutely segmented.


Inflorescence simple or compound, with yellowish, glandular hairs, the racemes elongate and spike-like; sepals 5, purplish-blue with a greenish-white mid-stripe, 9-11 mm. long, oblong-elliptic, spread with the tips cupped forward, the spur much longer than the blade of the upper sepal; petals 4, pale to dark blue; stamens numerous; pistils 3.


Follicles 8-13 mm. long, glandular-pubescent.

Accepted Name:
Delphinium multiplex (Ewan) C.L. Hitchc.
Publication: Vasc. Pl. Pacif. N.W. 2: 357. 1964. 1964.

Synonyms & Misapplications:
Delphinium cyanoreios Piper f. multiplex Ewan
Additional Resources:

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

WA Flora Checklist: Delphinium multiplex checklist entry.

E-Flora BC: Delphinium multiplex atlas page.

CalPhotos: Delphinium multiplex photos.

USDA Plants: Delphinium multiplex information.

44 photographs:
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