Delphinium purpusii |
Delphinium exaltatum |
|
---|---|---|
Kern County larkspur, Purpus' larkspur, rose-color larkspur, rose-flower larkspur |
tall larkspur |
|
Stems | (30-)50-80(-120) cm; base reddish or not, nearly glabrous. |
70-200 cm; base reddish, nearly glabrous. |
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 pentagonal, 2-7 × 3-9 cm, puberulent; ultimate lobes 3-7, width 5-25 mm; midcauline leaf lobes less than 3 times longer than wide. |
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. |
8-30-flowered; pedicel 0.5-2 cm, puberulent; bracteoles 2-4 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 whitish to pale lavender or purple, puberulent, lateral sepals forward pointing, 9-11 × 4-6 mm, spurs straight, as much as 45° above or below horizontal, 9-12 mm; lower petal blades ± covering stamens, 3-5 mm, clefts 1-2 mm; hairs centered, mostly near base of cleft, white. |
Fruits | (11-)18-29 mm, 4-4.5 times longer than wide, glabrous. |
7-12 mm, 2-2.5 times longer than wide, ± puberulent. |
Seeds | seed coats with small wavy ridges, cells brick-shaped, cell margins undulate, surfaces smooth. |
± wing-margined; seed coat cells elongate, surfaces smooth. |
2n | = 16. |
|
Delphinium purpusii |
Delphinium exaltatum |
|
Phenology | Flowering spring. | Flowering summer. |
Habitat | Talus, cliffs, on and near large boulders | Rocky slopes in open deciduous woods and barrens, mainly on calcareous substrates, also shale and mafic and ultramafic rocks |
Elevation | 300-1300 m (1000-4300 ft) | 150-2000 m (500-6600 ft) |
Distribution |
CA
|
AL; KY; MD; MO; NC; OH; PA; TN; VA; WV
|
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.) |
|
Source | FNA vol. 3. | FNA vol. 3. |
Parent taxa | Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Subscaposa | Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Exaltata |
Sibling taxa | ||
Name authority | Brandegee: Bot. Gaz. 27: 444. (1899) | Aiton: Hort. Kew. 2: 244. (1789) |
Web links |