Delphinium basalticum |
Delphinium scaposum |
|
---|---|---|
basalt larkspur, basaltic larkspur, Columbia Gorge larkspur |
bare-stem larkspur, desert larkspur, tall mountain larkspur |
|
Stems | 20-50(-65) cm; base often reddish, puberulent. |
25-50(-65) cm; base usually reddish, glabrous, glaucous. |
Leaves | blade round, 2-6 × 5-9 cm, not succulent, nearly glabrous; ultimate lobes 5-19, width 3-15 mm (basal), 1-12 mm (cauline). |
blade ± round, 0.5-4 × 0.5-6 cm, puberulent to glabrous; ultimate lobes 3-9, width 2-15 mm (basal), 0.5-3 mm (cauline). |
Inflorescences | (2-)6-16(-26)-flowered; pedicel 2-7 cm, nearly glabrous; bracteoles 4-12 mm from flowers, green, linear, 3-7 mm, nearly glabrous. |
10-25(-40)-flowered, cylindric; pedicel ascending, 0.6-2.5 cm, glabrous; bracteoles 2-5 mm from flowers, green to blue, linear-lanceolate, 2-4 mm, glabrous. |
Flowers | sepals dark blue, nearly glabrous, lateral sepals spreading, 15-21 × 7-10 mm, spur straight to decurved, ascending 30-45° above horizontal, 14-18 mm; lower petal blades slightly elevated, ± exposing stamens, 7-9 mm, cleft 4-5 mm; hairs centered, mostly on inner lobes above base of cleft, yellow to white. |
sepals bright dark blue, glabrous, lateral sepals spreading, 11-14 × 4-6 mm, spurs straight, sometimes decurved, ascending 30-45° above horizontal, 13-18 mm; lower petal blades elevated, exposing stamens, 5-8 mm, cleft 2-4 mm; hairs mostly centered on inner lobes near junction of blade and claw, white. |
Fruits | 12-17 mm, 3.5-4 times longer than wide, glabrous. |
12-16 mm, 2.5-3 times longer than wide, glabrous. |
Seeds | ± wing-margined; seed coat cells with surfaces smooth. |
seed coat cells ± brick-shaped, cell margins straight, surfaces smooth. |
2n | = 16. |
|
Delphinium basalticum |
Delphinium scaposum |
|
Phenology | Flowering spring (-early summer). | Flowering spring. |
Habitat | Basaltic cliff faces, n and e slopes at base of cliffs | Juniper woods, grassland |
Elevation | 200-500 m (700-1600 ft) | 1200-2700 m (3900-8900 ft) |
Distribution |
OR; WA |
AZ; CO; NM; UT
|
Discussion | Of conservation concern. Hybrids between Delphinium basalticum and D. trolliifolium are known. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Delphinium scaposum is reportedly used in Navajo and Hopi religous ceremonies, as well as for a wash following childbirth (D. E. Moerman 1986). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 3. | FNA vol. 3. |
Parent taxa | Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Bicoloria | Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Subscaposa |
Sibling taxa | ||
Synonyms | D. andersonii var. scaposum | |
Name authority | M. J. Warnock: Phytologia 78: 91. (1995) | Greene: Bot. Gaz. 6: 156. 1881, not D. scaposum W. T. Wang (1957) |
Web links |