Flora of North America species comparison

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Delphinium bakeri

desert larkspur, Parish's larkspur

Baker's delphinium, Baker's larkspur

Stems

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

base reddish or not, glabrous to puberulent.

(45-)60-85(-100) cm;

base reddish, glabrous.

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 pentagonal to round, 1-6 × 1.5-8 cm, margins crenate, glabrous; ultimate lobes 3-5, width 2-5 mm (basal), 5-30 mm (cauline), widest at middle or in proximal 1/2.

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.

8-23-flowered, at least 2 times longer than wide;

pedicel 1-6(-9) cm, glandular-puberulent;

bracteoles 4-6 mm from flowers, green to blue, lance-linear, 5-8(-13) mm, glabrous to glandular-puberulent.

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 dark bluish purple, nearly glabrous, lateral sepals spreading, 9-11 × 4-5 mm, spur apex decurved, ± horizontal, 9-13 mm;

lower petal blades ± covering stamens, 5-7 mm, clefts 2-3 mm;

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

Fruits

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

18-20 mm, 3.5-4 times longer than wide, glabrous.

Seeds

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

unwinged;

seed coats smooth.

Delphinium bakeri

Phenology

Flowering spring.

Habitat

Brushlands and coastal chaparral

Elevation

100-300 m (300-1000 ft)

Distribution

AZ; CA; NV; UT; nw Mexico

[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 bakeri is possibly extinct in the wild because of cultivation and sheep grazing in the small area where it grows. It is known from only two localities and has not been collected since 1960. Plants have been grown at Strybing Arboretum, Golden Gate Park, San Francisco. Although their geographic ranges are distinct, D. bakeri is most similar to, and probably closely related to, D. trolliifolium. The former has more rounded incisions on the leaves than the latter, and the pedicel of D. bakeri are consistently glandular. Glandular pedicel appear only occasionally in D. trolliifolium.

(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.

Parent taxa

Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Subscaposa

Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Grumosa

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. 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, D. xantholeucum

Subordinate taxa

D. parishii subsp. pallidum, D. parishii subsp. parishii, D. parishii subsp. subglobosum

Name authority

A. Gray: Bot. Gaz. 12: 53. (1887)

Ewan: Bull. Torrey Bot. Club 69: 144. (1942)

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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Flora of North America species comparison

Delphinium parishii

Delphinium bakeri

Delphinium parishii

Delphinium bakeri