Flora of North America species comparison

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Delphinium barbeyi

Delphinium wootonii

Barbey larkspur, Barbey's larkspur, subalpine larkspur, tall larkspur

Organ Mountain larkspur, Wooton's larkspur
Stems

50-150 cm;

base green, glabrous.

(15-)30-50(-60) cm;

base sometimes reddish, pubescent.
Leaves

blade round to reniform, 4-8 × 7-15 cm, glabrous; ultimate lobes 5-9, width 8-50 mm.

blade reniform to fan-shaped, 1.5-3 × 2.5-4 cm, puberulent; ultimate lobes 5-24, width 2-6 mm (basal), 1-3 mm (cauline).
Inflorescences

10-50-flowered;

pedicel 0.5-6 cm, glandular-puberulent;

bracteoles 1-4(-8) mm from flowers, blue to green, awl-shaped, 5-14 mm, puberulent.

15-30(-49)-flowered;

pedicel 1-2(-3.6) cm, puberulent;

bracteoles 1-5 mm from flowers, green, linear, 1-4(-12) mm, puberulent.
Flowers

sepals dark bluish purple, sparsely puberulent, lateral sepals forward pointing, 13-23 × 5-8 mm, spurs ascending ca. 45°, downcurved apically, 10-18 mm;

lower petal blades ± covering stamens, 4-7 mm, clefts 2-3 mm;

hairs centered, mostly near base of cleft, sparse elsewhere, white or yellow.

sepals white to lavender, nearly glabrous, lateral sepals usually reflexed, (6-)8-13 × 3-7 mm, spur straight, ascending 30-80° above horizontal, (8-)13-20(-25) mm;

lower petal blades ± elevated, 6-9 mm, cleft 2.5-4.5 mm;

hairs centered, densest near base of cleft, white.
Fruits

17-22 mm, 2.5-3 times longer than wide, puberulent.

(10-)11-20(-24) mm, 3-3.5 times longer than wide, glabrous.
Seeds

wing-margined;

seed coat cells narrow but short, surfaces pustulate.

seed coat cells with surfaces pustulate.
2n

= 16.

= 16.

Delphinium barbeyi

Delphinium wootonii
Phenology Flowering summer. Flowering spring.
Habitat Subalpine and alpine sites in wet soils Oak woods, grasslands, desert scrub
Elevation 2500-4100 m (8200-13500 ft) 700-1800 m (2300-5900 ft)
Distribution
from FNA
AZ; CO; NM; UT; WY
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; CO; NM; TX; Mexico (Sonora, Chihuahua, and Coahuila)
[WildflowerSearch map]
[BONAP county map]
Discussion

Delphinium barbeyi hybridizes extensively with D. glaucum in western Colorado and eastern Utah, where plants appearing to be hybrid [D. ×occidentale (S. Watson) S. Watson] are often far more common than plants of either putative parent. Several other names have been used for these plants, including D. elatum var. occidentale S. Watson, D. abietorum Tidestrom, and D. scopulorum subsp. occidentale (S. Watson) Abrams. Delphinium barbeyi is also known to hybridize with D. ramosum and D. sapellonis.

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

Delphinium wootonii hybridizes with D. madrense in the eastern Big Bend area of Texas, and with D. carolinianum subsp. 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. Exaltata Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Virescens
Sibling taxa
D. alabamicum, D. alpestre, D. andersonii, D. andesicola, D. antoninum, D. bakeri, 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, 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. xantholeucum
Synonyms D. exaltatum var. (e) barbeyi, D. occidentale var. barbeyi D. virescens subsp. wootonii
Name authority (Huth) Huth: Bull. Herb. Boissier 1: 335. (1893) Rydberg: Bull. Torrey Bot. Club 26: 587. (1900)
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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