Distribution: Occurring east of the Cascades crest in Washington, where endemic to Okanogan, Chelan, and Douglas counties.
Habitat: Dry, grassy hillsides and ponderosa pine forests.
Flowers: April-June
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bumblebees, bees, flies, butterflies, hummingbirds
Rather stout perennial from a thick, branching, fibrous root, the single stem 3-8 dm. tall, glabrous below but glandular at least in the inflorescence.
Leaves few, glabrous and glaucous, mostly on the lower 1/5 of the stem; leaf blades 2-7 cm. broad, 3-4 times dissected, the ultimate segments linear, 1-2 mm. broad.
Inflorescence compound, the main raceme as long as the rest of the stem, loosely many-flowered; pedicels elongate, spreading; sepals 5, creamy-white to greenish-white, green-tipped, the lateral pair oblong, about 10 mm. long; spur 12-15 mm. long; petals 4, small, creamy-yellow; stamens numerous; pistils 3.
Follicles 15-22 mm. long, erect, glabrous to glandular-pubescent.
PNW Herbaria: Specimen records of Delphinium xantholeucum in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Delphinium xantholeucum checklist entry
OregonFlora: Delphinium xantholeucum information
E-Flora BC: Delphinium xantholeucum atlas page
CalPhotos: Delphinium xantholeucum photos