Delphinium purpusii |
Delphinium scopulorum |
|
---|---|---|
Kern County larkspur, Purpus' larkspur, rose-color larkspur, rose-flower larkspur |
Rocky Mountain larkspur |
|
Stems | (30-)50-80(-120) cm; base reddish or not, nearly glabrous. |
50-120 cm; base often reddish, puberulent, midstems glabrous to subglabrous. |
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 to pentagonal, 1.5-10 × 2-16 cm, nearly glabrous; ultimate lobes 5-19, width 5-30 mm (basal), 1-10 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. |
10-30-flowered, open, cylindric; pedicel ascending to spreading, 1-3(-4.5) cm, puberulent; bracteoles 2-7 mm from flowers, green, linear, 2-4 mm, puberulent. |
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 bright dark blue, nearly glabrous, lateral sepals forward pointing, 12-15 × 4-6 mm, spurs gently decurved, slightly ascending, 15-20 mm; lower petal blades ± covering stamens, 5-8 mm, clefts 1-3 mm; hairs sparse, centered, mostly below junction of blade and claw, white. |
Fruits | (11-)18-29 mm, 4-4.5 times longer than wide, glabrous. |
16-20 mm, 4-4.5 times longer than wide, nearly glabrous. |
Seeds | seed coats with small wavy ridges, cells brick-shaped, cell margins undulate, surfaces smooth. |
wing-margined; seed coat cells with margins straight, cell surfaces ± roughened. |
2n | = 16. |
= 16. |
Delphinium purpusii |
Delphinium scopulorum |
|
Phenology | Flowering spring. | Flowering late summer–early autumn. |
Habitat | Talus, cliffs, on and near large boulders | Riparian forests and open woodlands |
Elevation | 300-1300 m (1000-4300 ft) | 1700-2600 m (5600-8500 ft) |
Distribution |
CA
|
AZ; NM; Mexico (Sonora) |
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.) |
Hybrids are known with Delphinium andesicola. (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. Wislizenana |
Sibling taxa | ||
Synonyms | D. macrophyllum | |
Name authority | Brandegee: Bot. Gaz. 27: 444. (1899) | A. Gray: Smithsonian Contr. Knowl. 5(6): 9. (1853) |
Web links |