Delphinium viridescens |
Delphinium glareosum |
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Wenatchee larkspur |
Olympic 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 perennial from a thick, fibrous, woody root, the 1-several stems stout, simple, 2-3 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. |
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. |
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 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. |
Fruits | Follicles 6-8 mm. long, erect, densely glandular-pubescent. |
Follicles spreading, 11-14 mm. long.. |
Delphinium viridescens |
Delphinium glareosum |
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Flowering time | June-July | May-August |
Habitat | Boggy meadowlands. | Alpine and subalpine ridges and talus slopes, sometimes found at lower elevations. |
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 in the Olympics and Cascades Range in Washington; British Columbia to Oregon.
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Origin | Native | Native |
Conservation status | Threatened in Washington (WANHP) | Not of concern |
Sibling taxa | ||
Web links |