Delphinium xantholeucum |
Delphinium leucophaeum |
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yellow-white larkspur |
pale larkspur |
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Habit | 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 | 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. |
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Flowers | 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. |
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Fruits | Follicles 15-22 mm. long, erect, glabrous to glandular-pubescent. |
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Delphinium xantholeucum |
Delphinium leucophaeum |
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Flowering time | April-June | May-June |
Habitat | Dry, grassy hillsides and ponderosa pine forests. | Bluffs, open ground, and moist lowland meadows where undisturbed. |
Distribution | Occurring east of the Cascades crest in Washington, where endemic to Okanogan, Chelan, and Douglas counties.
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Occurring west of the Cascades crest in Washington, where known only from Lewis County in Washington; Lewis County, Washington to Willamette Valley, Oregon.
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Origin | Native | Native |
Conservation status | Not of concern | Endangered in Washington (WANHP) |
Sibling taxa | ||
Web links |