Delphinium leucophaeum |
Delphinium distichum |
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pale larkspur |
two-spike larkspur |
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Habit | Sturdy, grey-puberulent perennial from fleshy roots, the stems 4-7 dm. tall. | |
Leaves | Basal and lower cauline leaves long-petiolate, the blades 4-6 cm. broad and divided nearly to the base into 3 segments, which are twice divided into broad segments; lower leaves abruptly transitional into mid-stem leaves, which are short-petiolate, very numerous and overlapping, and finely divided into linear segments. |
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Flowers | Inflorescence a many-flowered, spike-like raceme, the pedicels shorter than the calyx spur and strongly ascending; sepals 5, bluish-purple with lighter streaks, cupped forward, 7-9 mm long, oblong, the spur 11-17 mm. long; petals 4, small, the lower pair blue, lobed, the upper pair white; stamens numerous; pistils 3. |
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Fruits | Follicles 8-12 mm. long, erect, usually glandular. |
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Delphinium leucophaeum |
Delphinium distichum |
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Flowering time | May-June | May-July |
Habitat | Bluffs, open ground, and moist lowland meadows where undisturbed. | Vernally wet swales and meadows, in sagebrush or ponderosa pine forest. |
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 east of the Cascades crest in Washington; British Columbia to Oregon, east to Montana and Wyoming.
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Origin | Native | Native |
Conservation status | Endangered in Washington (WANHP) | Not of concern |
Sibling taxa | ||
Web links |
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