Delphinium basalticum |
Delphinium glareosum |
|
---|---|---|
basalt larkspur, basaltic larkspur, Columbia Gorge larkspur |
Olympic larkspur, Olympic Mountain larkspur, rockslide larkspur |
|
Stems | 20-50(-65) cm; base often reddish, puberulent. |
20-40 cm; base reddish or not, 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, 2-4 × 3-7 cm, not succulent, glabrous; ultimate lobes 7-15, width 3-10 mm (basal), 2-7 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. |
5-12-flowered; pedicel 1-5(-10) cm, nearly glabrous to glandular-puberulent; bracteoles 2-10(-20) mm from flowers, green, linear, 3-8 mm, puberulent. |
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 dark blue, nearly glabrous, lateral sepals spreading, 14-22 × 6-10 mm, spurs ± straight, orientation varies from 30° above to 30° below horizontal, 16-20 mm; lower petal blades slightly elevated, ± covering stamens, 6-9 mm, clefts 2-4 mm; hairs local, densest on inner lobes near base of cleft, white to light yellow. |
Fruits | 12-17 mm, 3.5-4 times longer than wide, glabrous. |
12-17 mm, 2.5-3 times longer than wide, glabrous. |
Seeds | ± wing-margined; seed coat cells with surfaces smooth. |
± wing-margined; seed coat cells with surfaces smooth. |
Delphinium basalticum |
Delphinium glareosum |
|
Phenology | Flowering spring (-early summer). | Flowering summer. |
Habitat | Basaltic cliff faces, n and e slopes at base of cliffs | Steep rocky subalpine to alpine slopes |
Elevation | 200-500 m (700-1600 ft) | 1500-2800 m (4900-9200 ft) |
Distribution |
OR; WA |
OR; WA; BC
|
Discussion | Of conservation concern. Hybrids between Delphinium basalticum and D. trolliifolium are known. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
See discussion under Delphinium bicolor. (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. Bicoloria |
Sibling taxa | ||
Synonyms | D. caprorum | |
Name authority | M. J. Warnock: Phytologia 78: 91. (1995) | Greene: Pittonia 3: 257. (1898) |
Web links |