Delphinium parryi |
Delphinium geyeri |
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Parry's larkspur, San Bernardino larkspur |
Geyer's larkspur, poisonweed |
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Stems | (10-)40-80(-110) cm; base reddish, puberulent. |
(15-)30-60(-80) cm; base usually reddish, puberulent. |
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Leaves | blade pentagonal, 1-7 × 2-10 cm, ± puberulent; ultimate lobes 3-27, width 1-20 mm (basal), 0.5-5 mm (cauline). |
blade light green, ± round, 1-5 × 1-6 cm, densely pubescent; ultimate lobes 7-20, width 2-5 mm (basal), 2-4 mm (cauline), apex gradually tapering to point; veins obscure. |
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Inflorescences | (2-)8-24(-48)-flowered, cylindric; pedicel ± spreading, (0.5-)1-3(-6.8) cm, usually puberulent; bracteoles 2-7(-16) mm from flowers, green to blue, lance-linear, 2-6(-10) mm, puberulent. |
6-30(-60)-flowered, ± open, cylindric; pedicel ascending to spreading, 1-3(-4) cm, puberulent; bracteoles 1-3 mm from flowers, green, lanceolate, 3-6 mm, puberulent. |
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Flowers | sepals dark blue to bluish purple, puberulent, lateral sepals spreading or reflexed, (7-)10-20(-25) × 4-9 mm, spurs straight, ascending 0-30° above horizontal, 9-17(-21) mm; lower petal blades slightly elevated, ± exposing stamens, 3-10 mm, clefts 2-6 mm; hairs mostly near base of cleft, centered or on inner lobes, white. |
sepals bright blue, puberulent, lateral sepals spreading, 10-18 × 4-8 mm, spurs straight to slightly downcurved, ascending 0-30°, 11-16 mm; lower petal blades slightly elevated, ± exposing stamens, 4-8 mm, clefts 0.5-2 mm; hairs centered, densest on inner lobes near base of cleft, white to light yellow. |
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Fruits | 10-19 mm, 2.8-4 times longer than wide, puberulent or glabrous. |
11-15 mm, 3-3.5 times longer than wide, sparse puberulent. |
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Seeds | seed coat cells ± brick-shaped, cell margins undulate, surfaces ± roughened. |
unwinged; seed coat cells with margins straight, surfaces ± roughened. |
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2n | = 16. |
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Delphinium parryi |
Delphinium geyeri |
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Phenology | Flowering late spring–early summer. | |||||||||||||||||
Habitat | Grasslands or Artemisia-Cercocarpus scrub | |||||||||||||||||
Elevation | 1400-3000 m (4600-9800 ft) | |||||||||||||||||
Distribution |
North America (Calif)
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CO; MT; NE; UT; WY
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Discussion | Subspecies 5 (5 in the flora). A number of local phases are found in Delphinium parryi. Five of these appear consistently distinct and are recognized here. Other phases may be locally distinct but grade into other nearby phases. Delphinium parryi hybridizes with D. cardinale (D. ×inflexum Davidson). The Kawaiisu used the ground root of Delphinium parryi medicinally as a salve for swollen limbs (D. E. Moerman 1986, no subspecies specified). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Apparently closely related to Delphinium stachydeum, D. geyeri is generally smaller, earlier flowering, with more finely dissected leaves and a more eastern geographic distribution. (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. Wislizenana | ||||||||||||||||
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Subordinate taxa | ||||||||||||||||||
Name authority | A. Gray: Bot. Gaz. 12: 53. (1887) | Greene: Erythea 2: 189. (1894) | ||||||||||||||||
Web links |