Flora of North America species comparison

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Delphinium parishii

Delphinium xantholeucum

desert larkspur, Parish's larkspur

yellow-white larkspur
Stems

(17-)30-60(-100) cm;

base reddish or not, glabrous to puberulent.

40-60(-100) cm;

base often reddish, glabrous, ± glaucous.
Leaves

blade pentagonal, 0.7-5 × 1-8 cm, glabrous to puberulent; ultimate lobes 3-18, width 2-18 mm (basal), 0.5-8 mm (cauline).

blade round, 2-6 × 4-10 cm, nearly glabrous; ultimate lobes 3-15, width 3-8 mm (basal), 1-5 mm (cauline).
Inflorescences

(6-)10-40(-74)-flowered, cylindric;

pedicel ascending-spreading, (0.3-)1-2.5(-4.8) cm, glabrous to puberulent;

bracteoles 2-5(-10) mm from flowers, green, lance-linear, 2-6(-16) mm, glabrous to puberulent.

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.
Flowers

sepals dark blue to white to pink, often puberulent, lateral sepals reflexed or spreading, (7-)9-13 × 2-7 mm, spurs ± decurved, ascending 20-45° above horizontal, 7-15 mm;

lower petal blades ± elevated, exposing stamens, blue or white to pink (concolorous with sepals), 3-6 mm, clefts 1-3 mm;

hairs mostly near base of cleft, centered or on inner lobes, white.

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.
Fruits

9-21 mm, 2-4 times longer than wide, glabrous to puberulent.

15-22 mm, 3-4 times longer than wide, glabrous to glandular-puberulent.
Seeds

seed coat cells ± brick-shaped, cell margins undulate, surfaces roughened.

seed coat cells narrow, short, cell margins straight, surfaces smooth.
2n

= 16.

Delphinium parishii

Delphinium xantholeucum
Phenology Flowering spring.
Habitat Slopes in open yellow pine forests, grasslands, sage scrub
Elevation 150-600 m (500-2000 ft)
Distribution
from FNA
AZ; CA; NV; UT; nw Mexico
[WildflowerSearch map]
[BONAP county map]
from FNA
WA
[WildflowerSearch map]
[BONAP county map]
Discussion

Subspecies 3 (3 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

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.)
Key
1. Lateral sepals reflexed; sepals bright, ± sky blue.
subsp. parishii
1. Lateral sepals not reflexed; sepals dark blue or white to pink.
→ 2
2. Sepals dark blue; flowers rarely present after 20 May.
subsp. subglobosum
2. Sepals white, pinkish, or purplish; flowers rarely present before 20 May.
subsp. pallidum
Source FNA vol. 3. FNA vol. 3.
Parent taxa Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Subscaposa Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Subscaposa
Sibling taxa
D. alabamicum, D. alpestre, D. andersonii, D. andesicola, D. antoninum, D. bakeri, D. barbeyi, D. basalticum, D. bicolor, D. brachycentrum, D. californicum, D. cardinale, D. carolinianum, D. decorum, D. depauperatum, D. distichum, D. elatum, D. exaltatum, D. geraniifolium, D. geyeri, D. glareosum, D. glaucescens, D. glaucum, D. gracilentum, D. gypsophilum, D. hansenii, D. hesperium, D. hutchinsoniae, D. inopinum, D. lineapetalum, D. luteum, D. madrense, D. menziesii, D. multiplex, D. newtonianum, D. novomexicanum, D. nudicaule, D. nuttallianum, D. nuttallii, D. parryi, D. patens, D. polycladon, D. purpusii, D. ramosum, D. recurvatum, D. robustum, D. sapellonis, D. scaposum, D. scopulorum, D. stachydeum, D. sutherlandii, D. treleasei, D. tricorne, D. trolliifolium, D. uliginosum, D. umbraculorum, D. variegatum, D. viridescens, D. wootonii, D. xantholeucum
D. alabamicum, D. alpestre, D. andersonii, D. andesicola, D. antoninum, D. bakeri, D. barbeyi, D. basalticum, D. bicolor, D. brachycentrum, D. californicum, D. cardinale, D. carolinianum, D. decorum, D. depauperatum, D. distichum, D. elatum, D. exaltatum, D. geraniifolium, D. geyeri, D. glareosum, D. glaucescens, D. glaucum, D. gracilentum, D. gypsophilum, D. hansenii, D. hesperium, D. hutchinsoniae, D. inopinum, D. lineapetalum, D. luteum, D. madrense, D. menziesii, D. multiplex, D. newtonianum, D. novomexicanum, D. nudicaule, D. nuttallianum, D. nuttallii, D. parishii, D. parryi, D. patens, D. polycladon, D. purpusii, D. ramosum, D. recurvatum, D. robustum, D. sapellonis, D. scaposum, D. scopulorum, D. stachydeum, D. sutherlandii, D. treleasei, D. tricorne, D. trolliifolium, D. uliginosum, D. umbraculorum, D. variegatum, D. viridescens, D. wootonii
Subordinate taxa
D. parishii subsp. pallidum, D. parishii subsp. parishii, D. parishii subsp. subglobosum
Name authority A. Gray: Bot. Gaz. 12: 53. (1887) Piper: Contr. U.S. Natl. Herb. 11: 280. (1906)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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