Delphinium parishii |
Delphinium basalticum |
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desert larkspur, Parish's larkspur |
basalt larkspur, basaltic larkspur, Columbia Gorge larkspur |
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Stems | (17-)30-60(-100) cm; base reddish or not, glabrous to puberulent. |
20-50(-65) cm; base often reddish, puberulent. |
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Leaves | blade pentagonal, 0.7-5 × 1-8 cm, glabrous to puberulent; ultimate lobes 3-18, width 2-18 mm (basal), 0.5-8 mm (cauline). |
blade round, 2-6 × 5-9 cm, not succulent, nearly glabrous; ultimate lobes 5-19, width 3-15 mm (basal), 1-12 mm (cauline). |
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Inflorescences | (6-)10-40(-74)-flowered, cylindric; pedicel ascending-spreading, (0.3-)1-2.5(-4.8) cm, glabrous to puberulent; bracteoles 2-5(-10) mm from flowers, green, lance-linear, 2-6(-16) mm, glabrous to puberulent. |
(2-)6-16(-26)-flowered; pedicel 2-7 cm, nearly glabrous; bracteoles 4-12 mm from flowers, green, linear, 3-7 mm, nearly glabrous. |
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Flowers | sepals dark blue to white to pink, often puberulent, lateral sepals reflexed or spreading, (7-)9-13 × 2-7 mm, spurs ± decurved, ascending 20-45° above horizontal, 7-15 mm; lower petal blades ± elevated, exposing stamens, blue or white to pink (concolorous with sepals), 3-6 mm, clefts 1-3 mm; hairs mostly near base of cleft, centered or on inner lobes, white. |
sepals dark blue, nearly glabrous, lateral sepals spreading, 15-21 × 7-10 mm, spur straight to decurved, ascending 30-45° above horizontal, 14-18 mm; lower petal blades slightly elevated, ± exposing stamens, 7-9 mm, cleft 4-5 mm; hairs centered, mostly on inner lobes above base of cleft, yellow to white. |
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Fruits | 9-21 mm, 2-4 times longer than wide, glabrous to puberulent. |
12-17 mm, 3.5-4 times longer than wide, glabrous. |
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Seeds | seed coat cells ± brick-shaped, cell margins undulate, surfaces roughened. |
± wing-margined; seed coat cells with surfaces smooth. |
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Delphinium parishii |
Delphinium basalticum |
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Phenology | Flowering spring (-early summer). | |||||||||
Habitat | Basaltic cliff faces, n and e slopes at base of cliffs | |||||||||
Elevation | 200-500 m (700-1600 ft) | |||||||||
Distribution |
AZ; CA; NV; UT; nw Mexico
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OR; WA |
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Discussion | Subspecies 3 (3 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. Hybrids between Delphinium basalticum and D. trolliifolium are known. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 3. | FNA vol. 3. | ||||||||
Parent taxa | Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Subscaposa | Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Bicoloria | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Name authority | A. Gray: Bot. Gaz. 12: 53. (1887) | M. J. Warnock: Phytologia 78: 91. (1995) | ||||||||
Web links |