Delphinium xantholeucum |
Delphinium scaposum |
|
---|---|---|
yellow-white larkspur |
bare-stem larkspur, desert larkspur, tall mountain larkspur |
|
Stems | 40-60(-100) cm; base often reddish, glabrous, ± glaucous. |
25-50(-65) cm; base usually reddish, glabrous, glaucous. |
Leaves | blade round, 2-6 × 4-10 cm, nearly glabrous; ultimate lobes 3-15, width 3-8 mm (basal), 1-5 mm (cauline). |
blade ± round, 0.5-4 × 0.5-6 cm, puberulent to glabrous; ultimate lobes 3-9, width 2-15 mm (basal), 0.5-3 mm (cauline). |
Inflorescences | 10-20(-60)-flowered, narrowly pyramidal; pedicel spreading, yellowish, 1.5-3 cm, ± glandular-puberulent; bracteoles 6-12 mm from flowers, green to light brown, linear to lanceolate, 4-7 mm, nearly glabrous. |
10-25(-40)-flowered, cylindric; pedicel ascending, 0.6-2.5 cm, glabrous; bracteoles 2-5 mm from flowers, green to blue, linear-lanceolate, 2-4 mm, glabrous. |
Flowers | sepals yellow, glabrous, lateral sepals reflexed, 9-12 × 3-5 mm, spurs straight, ascending ca. 45° above horizontal, 11-15 mm; lower petal blades elevated, exposing stamens, 3-5 mm, clefts 1-2 mm; hairs centered mostly on inner lobes near base of cleft, white. |
sepals bright dark blue, glabrous, lateral sepals spreading, 11-14 × 4-6 mm, spurs straight, sometimes decurved, ascending 30-45° above horizontal, 13-18 mm; lower petal blades elevated, exposing stamens, 5-8 mm, cleft 2-4 mm; hairs mostly centered on inner lobes near junction of blade and claw, white. |
Fruits | 15-22 mm, 3-4 times longer than wide, glabrous to glandular-puberulent. |
12-16 mm, 2.5-3 times longer than wide, glabrous. |
Seeds | seed coat cells narrow, short, cell margins straight, surfaces smooth. |
seed coat cells ± brick-shaped, cell margins straight, surfaces smooth. |
2n | = 16. |
= 16. |
Delphinium xantholeucum |
Delphinium scaposum |
|
Phenology | Flowering spring. | Flowering spring. |
Habitat | Slopes in open yellow pine forests, grasslands, sage scrub | Juniper woods, grassland |
Elevation | 150-600 m (500-2000 ft) | 1200-2700 m (3900-8900 ft) |
Distribution |
WA
|
AZ; CO; NM; UT
|
Discussion | Of conservation concern. Delphinium xantholeucum is very local; much of the habitat of this species has been converted to orchards. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Delphinium scaposum is reportedly used in Navajo and Hopi religous ceremonies, as well as for a wash following childbirth (D. E. Moerman 1986). (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. Subscaposa |
Sibling taxa | ||
Synonyms | D. andersonii var. scaposum | |
Name authority | Piper: Contr. U.S. Natl. Herb. 11: 280. (1906) | Greene: Bot. Gaz. 6: 156. 1881, not D. scaposum W. T. Wang (1957) |
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