Delphinium viridescens |
Delphinium menziesii |
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Wenatchee larkspur |
Menzies 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. | Glabrous to pubescent perennial from several small tubers, the single, simple or branched stem 1-5 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 mostly cauline, only the basal ones long-petiolate, the blades 3-7 cm. broad, 2-3 times dissected, the ultimate segments comparatively few, narrowly oblong. |
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 simple to compound, the racemes 3-20 flowered, open and loose, the pedicels from sub-equal to the flowers to several times as long; sepals 5, deep blue, 12-18 mm. long, the spur 13-15 mm. long, much longer than the upper sepal; petals 4, small, the lower pair blue, lightly veined and shallowly notched, the upper pair white or light blue; stamens numerous; pistils 3. |
Fruits | Follicles 6-8 mm. long, erect, densely glandular-pubescent. |
Follicles 9-16 mm. long, erect to spreading, densely pubescent. |
Delphinium viridescens |
Delphinium menziesii |
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Flowering time | June-July | April-July |
Habitat | Boggy meadowlands. | Coastal bluffs and prairies to moist meadows and forest openings at moderate elevations in the mountains. |
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 on both sides of the Cascades crest 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 |