Delphinium viridescens |
Delphinium distichum |
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Wenatchee larkspur |
two-spike larkspur |
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Habit | Stout perennial from a short rhizome, the several hollow stems 8-12 dm. tall, glabrous below but with copious stalked, yellow glands above and throughout the inflorescence. | Sturdy, grey-puberulent perennial from fleshy roots, the stems 4-7 dm. tall. |
Leaves | Basal and lower cauline leaves long-petiolate, the blades up to 10 cm. broad, divided into 3 main wedge-shaped lobes, these once or twice cleft into oblong-rounded segments; mid-cauline leaves short-petiolate and overlapping, nearly erect, divided into narrow, acute segments, abruptly transitional to the lower leaves, but gradually transitional to the linear, entire, bract-like upper 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. |
Flowers | Inflorescence usually a simple, narrow raceme, the pedicels shorter than the flowers; sepals 5, purplish, but strongly streaked with yellow or greenish-yellow, oblanceolate, glandular, 7-11 mm. long; spur thick, straight, 7-10 mm. long; petals 4, yellowish or purple, the lower pair densely soft-hairy, equaling the sepals; stamens numerous; pistils 3. |
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. |
Fruits | Follicles 6-8 mm. long, erect, densely glandular-pubescent. |
Follicles 8-12 mm. long, erect, usually glandular. |
Delphinium viridescens |
Delphinium distichum |
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Flowering time | June-July | May-July |
Habitat | Boggy meadowlands. | Vernally wet swales and meadows, in sagebrush or ponderosa pine forest. |
Distribution | Occurring east of the Cascades crest in Washington, where endemic to the Wenatchee Mountains of Chelan and Kittitas counties.
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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 | Threatened in Washington (WANHP) | Not of concern |
Sibling taxa | ||
Web links |
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