Delphinium nuttallii
Nuttall's larkspur
WTU specimens
Other herbaria

Distribution: Pierce and eastern Grays Harbor Counties, Washington, south to the Columbia River Gorge and Clackamus County, Oregon.

Habitat: Gravelly outwash prairies and basaltic cliffs.

Flowers: May - June

Origin: Native

Conservation Status: Not of concern

Description:
General:

Crisp-puberulent, eglandular perennial from small, globose, fleshy roots, the single stems 3-6 dm. tall.

Leaves:

Leaves long-petiolate, evenly distributed, the blades up to 10 cm. broad, 3-4 times dissected into narrowly lanceolate or linear segments.

Flowers:

Inflorescence simple to compound, the racemes spike-like above, the lower pedicels exceeding the numerous, crowded flowers; sepals 5, deep bluish-purple, 7-12 mm. long, slightly spreading, with a conspicuous median, pubescent, greenish band; spur equal to the sepals; petals 4, small, the lower pair deep purplish-blue, shallowly cleft, the upper pair light blue; stamens numerous; pistils 3.

Fruits:

Follicles about 15 mm. long, slightly bent.

Accepted Name:
Delphinium nuttallii A. Gray
Publication: Bot. Gaz. 12: 54. 1887.

Synonyms:
Delphinium nuttallii A. Gray ssp. nuttallii [FNA3]
Additional Resources:

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

WA Flora Checklist: Delphinium nuttallii checklist entry.

E-Flora BC: Delphinium nuttallii atlas page.

CalPhotos: Delphinium nuttallii photos.

USDA Plants: Delphinium nuttallii information.

17 photographs:
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