Delphinium exaltatum |
Delphinium parishii |
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tall larkspur |
desert larkspur, Parish's larkspur |
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Stems | 70-200 cm; base reddish, nearly glabrous. |
(17-)30-60(-100) cm; base reddish or not, glabrous to puberulent. |
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Leaves | blade pentagonal, 2-7 × 3-9 cm, puberulent; ultimate lobes 3-7, width 5-25 mm; midcauline leaf lobes less than 3 times longer than wide. |
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). |
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Inflorescences | 8-30-flowered; pedicel 0.5-2 cm, puberulent; bracteoles 2-4 mm from flowers, green, linear, 2-4 mm, puberulent. |
(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. |
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Flowers | sepals whitish to pale lavender or purple, puberulent, lateral sepals forward pointing, 9-11 × 4-6 mm, spurs straight, as much as 45° above or below horizontal, 9-12 mm; lower petal blades ± covering stamens, 3-5 mm, clefts 1-2 mm; hairs centered, mostly near base of cleft, white. |
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. |
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Fruits | 7-12 mm, 2-2.5 times longer than wide, ± puberulent. |
9-21 mm, 2-4 times longer than wide, glabrous to puberulent. |
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Seeds | ± wing-margined; seed coat cells elongate, surfaces smooth. |
seed coat cells ± brick-shaped, cell margins undulate, surfaces roughened. |
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Delphinium exaltatum |
Delphinium parishii |
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Phenology | Flowering summer. | |||||||||
Habitat | Rocky slopes in open deciduous woods and barrens, mainly on calcareous substrates, also shale and mafic and ultramafic rocks | |||||||||
Elevation | 150-2000 m (500-6600 ft) | |||||||||
Distribution |
AL; KY; MD; MO; NC; OH; PA; TN; VA; WV
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AZ; CA; NV; UT; nw Mexico
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Discussion | Subspecies 3 (3 in the flora). (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. Exaltata | Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Subscaposa | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Name authority | Aiton: Hort. Kew. 2: 244. (1789) | A. Gray: Bot. Gaz. 12: 53. (1887) | ||||||||
Web links |