Delphinium parishii |
Delphinium umbraculorum |
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desert larkspur, Parish's larkspur |
umbrella larkspur |
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Stems | (17-)30-60(-100) cm; base reddish or not, glabrous to puberulent. |
40-70(-90) cm; base often reddish, glabrous or 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 to pentagonal, 1.5-4 × 2-6 cm, nearly glabrous; ultimate lobes 3-13, width 3-20 mm (basal), 1-8 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. |
(5-)10-25(-45)-flowered, open, narrowly pyramidal; pedicel 0.5-3(-7) cm, glabrous to puberulent; bracteoles 3-7 mm from flowers, green, linear, 3-6 mm, puberulent. |
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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, puberulent, lateral sepals spreading, 9-16 × 4-7 mm, spurs gently upcurved, ascending 30-45° above horizontal, 8-14 mm; lower petal blades elevated, exposing stamens, 3.5-6 mm, clefts 0.5-1.5 mm; hairs densest near junction of blade and claw above base of cleft, centered or on inner lobes, white. |
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Fruits | 9-21 mm, 2-4 times longer than wide, glabrous to puberulent. |
9-16(-19) mm, 2.5-3(-4) times longer than wide, puberulent. |
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Seeds | seed coat cells ± brick-shaped, cell margins undulate, surfaces roughened. |
seed coat cells brick-shaped, cell margins straight, surfaces smooth. |
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2n | = 16. |
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Delphinium parishii |
Delphinium umbraculorum |
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Phenology | Flowering late spring–early summer. | |||||||||
Habitat | Slopes in oak forests | |||||||||
Elevation | 400-1600 m (1300-5200 ft) | |||||||||
Distribution |
AZ; CA; NV; UT; nw Mexico
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CA
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Discussion | Subspecies 3 (3 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Delphinium umbraculorum is most often confused with D. patens subsp. hepaticoideum; refer to discussion of that taxon for distinguishing features. Hybrids occur with D. parryi and D. patens subsp. montanum. (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. Subscaposa | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Name authority | A. Gray: Bot. Gaz. 12: 53. (1887) | H. F. Lewis & Epling: Brittonia 8: 19. (1954) | ||||||||
Web links |