Delphinium purpusii |
Delphinium basalticum |
|
---|---|---|
Kern County larkspur, Purpus' larkspur, rose-color larkspur, rose-flower larkspur |
basalt larkspur, basaltic larkspur, Columbia Gorge larkspur |
|
Stems | (30-)50-80(-120) cm; base reddish or not, nearly glabrous. |
20-50(-65) cm; base often reddish, puberulent. |
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 round, 2-6 × 5-9 cm, not succulent, nearly glabrous; ultimate lobes 5-19, width 3-15 mm (basal), 1-12 mm (cauline). |
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. |
(2-)6-16(-26)-flowered; pedicel 2-7 cm, nearly glabrous; bracteoles 4-12 mm from flowers, green, linear, 3-7 mm, nearly glabrous. |
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 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. |
Fruits | (11-)18-29 mm, 4-4.5 times longer than wide, glabrous. |
12-17 mm, 3.5-4 times longer than wide, glabrous. |
Seeds | seed coats with small wavy ridges, cells brick-shaped, cell margins undulate, surfaces smooth. |
± wing-margined; seed coat cells with surfaces smooth. |
2n | = 16. |
|
Delphinium purpusii |
Delphinium basalticum |
|
Phenology | Flowering spring. | Flowering spring (-early summer). |
Habitat | Talus, cliffs, on and near large boulders | Basaltic cliff faces, n and e slopes at base of cliffs |
Elevation | 300-1300 m (1000-4300 ft) | 200-500 m (700-1600 ft) |
Distribution |
CA
|
OR; WA |
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.) |
Of conservation concern. Hybrids between Delphinium basalticum and D. trolliifolium are known. (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. Bicoloria |
Sibling taxa | ||
Name authority | Brandegee: Bot. Gaz. 27: 444. (1899) | M. J. Warnock: Phytologia 78: 91. (1995) |
Web links |