Delphinium purpusii |
Delphinium californicum |
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Kern County larkspur, Purpus' larkspur, rose-color larkspur, rose-flower larkspur |
California larkspur, coast larkspur |
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Stems | (30-)50-80(-120) cm; base reddish or not, nearly glabrous. |
(60-)100-160(-230) cm; base reddish, puberulent-glabrous. |
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Leaves | blade round, 1.5-6 × 2-10 cm, ± puberulent; ultimate lobes 0-5, width 5-30(-50) mm (basal), 5-20(-40) mm (cauline). |
blade pentagonal to round, 3-9 × 3-12 cm, puberulent; ultimate lobes 3-15, width 5-60 mm; midcauline leaf lobes less than 3 times longer than wide. |
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Inflorescences | (8-)12-20(-32)-flowered, ± cylindric; pedicel ± ascending, (0.5-)1-4(-5) cm, glandular-puberulent; bracteoles 1-6 mm from flowers, green to magenta, linear, 2-4 mm, glandular-puberulent. |
(16-)40-90(-162)-flowered; pedicel 0.5-2.5(-6.5) cm, puberulent; bracteoles 2-5 mm from flowers, reddish, linear, (3-)7-12(-15) mm, puberulent. |
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Flowers | sepals magenta to rose, nearly glabrous, lateral sepals reflexed, 10-16 × 3-7 mm, spurs straight, 30-45° above horizontal, (10-)14-19 mm; lower petal blades nearly coplanar with claws, exposing stamens, 3-4 mm, clefts 0.5-1.5 mm; hairs sparse, scattered, white. |
sepals lavender to greenish white, abaxially puberulent, lateral sepals forward pointing to form a pseudotube, 6-11 × 5-7 mm, spurs straight, slightly ascending, apically downcurved, 7-11(-14) mm; lower petal blades elevated, ± exposing stamens, 3-5 mm, clefts 1.5-2.5 mm; hairs covering adaxial surface, white or light yellow. |
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Fruits | (11-)18-29 mm, 4-4.5 times longer than wide, glabrous. |
11-16 mm, 2.5-3.5 times longer than wide, glabrous to sparsely puberulent. |
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Seeds | seed coats with small wavy ridges, cells brick-shaped, cell margins undulate, surfaces smooth. |
unwinged; seed coat cells elongate, surfaces ± roughened. |
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2n | = 16. |
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Delphinium purpusii |
Delphinium californicum |
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Phenology | Flowering spring. | |||||
Habitat | Talus, cliffs, on and near large boulders | |||||
Elevation | 300-1300 m (1000-4300 ft) | |||||
Distribution |
CA
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CA
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Discussion | Of conservation concern. Delphinium purpusii is not likely to be confused with any other Delphinium in North America. Hybrids with Delphinium hansenii subsp. kernense are known to occur. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Subspecies 2 (2 in the flora). Delphinium californicum can be confused only with D. glaucum or D. exaltatum. The three species may be separated by the abundant pubescence and early flowering date of D. californicum as compared to the other two taxa, low elevation sites of D. californicum compared to D. glaucum, and western geographic distribution of D. californicum compared to D. exaltatum. (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. Exaltata | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | Brandegee: Bot. Gaz. 27: 444. (1899) | Torrey & A. Gray: Fl. N. Amer. 1: 31. (1838) | ||||
Web links |