Delphinium carolinianum |
Delphinium sutherlandii |
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Carolina larkspur |
Sutherland's larkspur |
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Stems | (20-)40-90(-150) cm; base reddish or not, ± pubescent. |
(15-)30-70 cm; base often reddish, glabrous. |
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Leaves | blade round to pentagonal, 1-8 × 2-12 cm, pubescence variable; ultimate lobes 3-29, width 2-10 mm (basal), 1-7 mm (cauline). |
blade round, 1.5-10 × 3-18 cm, nearly glabrous; ultimate lobes 5-21, 5 or more extending more than 3/5 distance to petiole, width 3-9(-15) mm (basal), 0.5-6(-10) mm (cauline), widest at middle or in proximal 1/2. |
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Inflorescences | (3-)8-27(-94)-flowered; pedicel (0.4-)0.7-1.8(-5.7) cm, nearly glabrous to glandular; bracteoles 1-3.5(-6) mm from flowers, green or blue, linear, 2-7 mm, pubescence nearly glabrous to glandular. |
(2-)11-26(-37)-flowered, at least 2 times longer than wide; pedicel 1-3 cm, puberulent; bracteoles 2-7 mm from flowers, green to blue, linear-lanceolate, 3-5 mm, puberulent. |
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Flowers | sepals purple to blue to white, nearly glabrous, lateral sepals spreading, (7-)9-14(-17) × (3-)3.5-6(-8) mm, spurs ± upcurved, ascending 20-90° above vertical, (9-)11-17(-19) mm; lower petal blades ± covering stamens, 5-7 mm, cleft 2-4 mm; hairs centered, densest near base of cleft, white, sometimes blue or yellow. |
sepals dark blue, retaining color upon drying, puberulent, lateral sepals spreading, 14-20 × 5-10 mm, spurs gently decurved, ascending 0-20° above horizontal, 14-18 mm; lower petal blades slightly elevated, ± covering stamens, white, yellowish, or tan, 8-12 mm, clefts 2-4 mm; hairs short, sparse, mostly below junction of blade and claw, slightly offset to inner lobes, white. |
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Fruits | (10-)12.5-18.5(-27) mm, 4-4.5 times longer than wide, glabrous to puberulent. |
(13-)18-25 mm, 4.5-5.2 times longer than wide, puberulent. |
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Seeds | seed coat cells with surfaces pustulate or smooth. |
winged on 1 margin; seed coat cell surfaces roughened. |
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2n | = 16. |
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Delphinium carolinianum |
Delphinium sutherlandii |
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Phenology | Flowering spring. | |||||||||||||
Habitat | Dry meadows, rock outcrops, open conifer woods | |||||||||||||
Elevation | 400-800 m (1300-2600 ft) | |||||||||||||
Distribution |
AL; AR; CO; FL; GA; IA; IL; KS; KY; LA; MN; MO; MS; NC; ND; NE; OK; SC; SD; TN; TX; WI; MB; Mexico
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ID; MT; WA; BC |
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Discussion | Subspecies 4 (4 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. Virescens | Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Grumosa | ||||||||||||
Sibling taxa | ||||||||||||||
Subordinate taxa | ||||||||||||||
Name authority | Walter: Fl. Carol., 155. (1788) | M. J. Warnock: Phytologia 78: 97. (1995) | ||||||||||||
Web links |