Delphinium umbraculorum |
Delphinium barbeyi |
|
---|---|---|
umbrella larkspur |
Barbey larkspur, Barbey's larkspur, subalpine larkspur, tall larkspur |
|
Stems | 40-70(-90) cm; base often reddish, glabrous or puberulent. |
50-150 cm; base green, glabrous. |
Leaves | blade round to pentagonal, 1.5-4 × 2-6 cm, nearly glabrous; ultimate lobes 3-13, width 3-20 mm (basal), 1-8 mm (cauline). |
blade round to reniform, 4-8 × 7-15 cm, glabrous; ultimate lobes 5-9, width 8-50 mm. |
Inflorescences | (5-)10-25(-45)-flowered, open, narrowly pyramidal; pedicel 0.5-3(-7) cm, glabrous to puberulent; bracteoles 3-7 mm from flowers, green, linear, 3-6 mm, puberulent. |
10-50-flowered; pedicel 0.5-6 cm, glandular-puberulent; bracteoles 1-4(-8) mm from flowers, blue to green, awl-shaped, 5-14 mm, puberulent. |
Flowers | sepals dark blue, puberulent, lateral sepals spreading, 9-16 × 4-7 mm, spurs gently upcurved, ascending 30-45° above horizontal, 8-14 mm; lower petal blades elevated, exposing stamens, 3.5-6 mm, clefts 0.5-1.5 mm; hairs densest near junction of blade and claw above base of cleft, centered or on inner lobes, white. |
sepals dark bluish purple, sparsely puberulent, lateral sepals forward pointing, 13-23 × 5-8 mm, spurs ascending ca. 45°, downcurved apically, 10-18 mm; lower petal blades ± covering stamens, 4-7 mm, clefts 2-3 mm; hairs centered, mostly near base of cleft, sparse elsewhere, white or yellow. |
Fruits | 9-16(-19) mm, 2.5-3(-4) times longer than wide, puberulent. |
17-22 mm, 2.5-3 times longer than wide, puberulent. |
Seeds | seed coat cells brick-shaped, cell margins straight, surfaces smooth. |
wing-margined; seed coat cells narrow but short, surfaces pustulate. |
2n | = 16. |
= 16. |
Delphinium umbraculorum |
Delphinium barbeyi |
|
Phenology | Flowering late spring–early summer. | Flowering summer. |
Habitat | Slopes in oak forests | Subalpine and alpine sites in wet soils |
Elevation | 400-1600 m (1300-5200 ft) | 2500-4100 m (8200-13500 ft) |
Distribution |
CA
|
AZ; CO; NM; UT; WY
|
Discussion | Delphinium umbraculorum is most often confused with D. patens subsp. hepaticoideum; refer to discussion of that taxon for distinguishing features. Hybrids occur with D. parryi and D. patens subsp. montanum. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Delphinium barbeyi hybridizes extensively with D. glaucum in western Colorado and eastern Utah, where plants appearing to be hybrid [D. ×occidentale (S. Watson) S. Watson] are often far more common than plants of either putative parent. Several other names have been used for these plants, including D. elatum var. occidentale S. Watson, D. abietorum Tidestrom, and D. scopulorum subsp. occidentale (S. Watson) Abrams. Delphinium barbeyi is also known to hybridize with D. ramosum and D. sapellonis. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 3. | FNA vol. 3. |
Parent taxa | Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Subscaposa | Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Exaltata |
Sibling taxa | ||
Synonyms | D. exaltatum var. (e) barbeyi, D. occidentale var. barbeyi | |
Name authority | H. F. Lewis & Epling: Brittonia 8: 19. (1954) | (Huth) Huth: Bull. Herb. Boissier 1: 335. (1893) |
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