Delphinium carolinianum |
Delphinium carolinianum subsp. calciphilum |
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Carolina larkspur |
Carolina larkspur |
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Roots | without elongate central axis; faxcicles 2-8, ± horizontal. |
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Stems | (20-)40-90(-150) cm; base reddish or not, ± pubescent. |
20-40(-70) cm. |
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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 with 3 major divisions; ultimate lobes of midcauline leaf blades 5-12, width 2-4 mm. |
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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. |
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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 white. |
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Fruits | (10-)12.5-18.5(-27) mm, 4-4.5 times longer than wide, glabrous to puberulent. |
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Seeds | seed coat cells with surfaces pustulate or smooth. |
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Delphinium carolinianum |
Delphinium carolinianum subsp. calciphilum |
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Phenology | Flowering spring. | |||||||||||||
Habitat | Limestone glades | |||||||||||||
Elevation | 150-600 m (500-2000 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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AL; GA; KY; TN |
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Discussion | Subspecies 4 (4 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Very similar to Delphinium carolinianum subsp. virescens and often identified as that subspecies, subsp. calciphilum usually has shorter stems, fewer leaf lobes, and narrower leaf lobes. (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. Virescens > Delphinium carolinianum | ||||||||||||
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Subordinate taxa | ||||||||||||||
Name authority | Walter: Fl. Carol., 155. (1788) | M. J. Warnock: Phytologia 68: 4. (1990) | ||||||||||||
Web links |