Delphinium leucophaeum |
Delphinium glareosum |
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pale larkspur |
Olympic larkspur |
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Habit | Sturdy perennial from a thick, fibrous, woody root, the 1-several stems stout, simple, 2-3 dm. tall. | |
Leaves | Leaves numerous, fleshy, evenly distributed below the inflorescence, but the petioles of the lower and basal leaves proportionately longer, forming a rounded clump; leaf blades 3-8 cm. broad, divided nearly to the base into 3 primary lobes, the lateral lobes again divided into 2-3 parts, the ultimate segments linear to narrowly oblong, entire. |
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Flowers | Inflorescence loose and broad, the racemes compound, often half the height of the plant, the lower flowers or racemes in leaf axils; pedicels long, stout, spreading; sepals 5, deep purplish-blue, the lower pair 12-16 mm. long, the lateral pair oblanceolate, pointed, the spur 12-17 mm. long, exceeding the blade of the upper sepal; petals 4, small, blue; stamens numerous; pistils 3. |
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Fruits | Follicles spreading, 11-14 mm. long.. |
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Delphinium leucophaeum |
Delphinium glareosum |
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Flowering time | May-June | May-August |
Habitat | Bluffs, open ground, and moist lowland meadows where undisturbed. | Alpine and subalpine ridges and talus slopes, sometimes found at lower elevations. |
Distribution | 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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Occurring in the Olympics and Cascades Range in Washington; British Columbia to Oregon.
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Origin | Native | Native |
Conservation status | Endangered in Washington (WANHP) | Not of concern |
Sibling taxa | ||
Web links |