Delphinium purpusii |
Delphinium madrense |
|
---|---|---|
Kern County larkspur, Purpus' larkspur, rose-color larkspur, rose-flower larkspur |
Edwards' Plateau larkspur, Sierra madre larkspur |
|
Stems | (30-)50-80(-120) cm; base reddish or not, nearly glabrous. |
30-80(-100) 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 semicircular to cordate, 2-8 × 2-10 cm, nearly glabrous; ultimate lobes 3-12, width 3-10 mm (basal), 2-6 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. |
5-75(-98)-flowered; pedicel 1-2.5(-5) cm, puberulent; bracteoles 2-4(-8) mm from flowers, green, lanceolate-linear, 3-5 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 dark blue to light blue, puberulent, lateral sepals spreading, 9-15 × 5-7 mm, spurs straight, ascending ca. 45(-90)°, 10-15(-19) mm; lower petal blades elevated, exposing stamens, 4-7 mm, clefts 2-4 mm; hairs centered, densest on inner lobes near base of cleft, white. |
Fruits | (11-)18-29 mm, 4-4.5 times longer than wide, glabrous. |
15-21 mm, 3.5-4.5 times longer than wide, nearly glabrous. |
Seeds | seed coats with small wavy ridges, cells brick-shaped, cell margins undulate, surfaces smooth. |
seed coat cells with surfaces pustulate. |
2n | = 16. |
|
Delphinium purpusii |
Delphinium madrense |
|
Phenology | Flowering spring. | Flowering spring–early summer. |
Habitat | Talus, cliffs, on and near large boulders | Calcareous slopes, oak woods or desert scrub |
Elevation | 300-1300 m (1000-4300 ft) | 300-2100 m (1000-6900 ft) |
Distribution |
CA
|
TX; Mexico (Coahuila, Nuevo León, and Tamaulipas) |
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.) |
Delphinium madrense hybridizes with D. carolinianum subspp. vimineum and virescens. (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. Virescens |
Sibling taxa | ||
Name authority | Brandegee: Bot. Gaz. 27: 444. (1899) | S. Watson: Proc. Amer. Acad. Arts 17: 141. (1890) |
Web links |