Flora of North America species comparison

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Delphinium pavonaceum

Delphinium patens
Delphinium pavonaceum

peacock larkspur

spreading larkspur, spreading or zigzag larkspur, zigzag larkspur
Stems

(10-)20-50(-90) cm;

base reddish, glabrous to puberulent.
Leaves

blade round to pentagonal, 1-5.5 × 2-7.5 cm, nearly glabrous; ultimate lobes 3-9, less often wedge-shaped, 5 or more extending more than 3/5 distance to petiole, width 5-30(-50) mm (basal), 1-15 mm (cauline), widest at middle or in proximal 1/2.
Inflorescences

4-25(-36)-flowered;

pedicel spreading from rachis at usually less than 70°, 1-4(-8) cm, glabrous to glandular;

bracteoles 3-12(-23) mm from flowers, blue to green, linear, 3-8(-16) mm, glabrous to glandular.
Flowers

sepals dark blue, usually retaining color upon drying, glabrous, lateral sepals reflexed, (6-)10-15(-20) × 4-8 mm, spurs straight, ascending ca. 30° above horizontal, 8-18 mm;

lower petal blades elevated, exposing stamens, 3-6(-8) mm, clefts 1-3 mm;

hairs centered on base of cleft or on inner lobes, scattered, white, rarely yellow.
Fruits

12-23 mm, 3.3-3.6 times longer than wide, glabrous or puberulent.
Seeds

unwinged;

seed coats ± pitted, cell surfaces roughened.

Delphinium pavonaceum

Delphinium patens
Distribution
[WildflowerSearch map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Subspecies 3 (3 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Lobes of proximal cauline leaves usually more than 15 mm wide; basal and proximal cauline leaves rarely cleft more than 4/5 radius of blade.
subsp. hepaticoideum
1. Lobes of proximal cauline leaves usually less than 15 mm wide; basal and proximal cauline leaves usually cleft more than 4/5 radius of blade.
→ 2
2. Pedicels puberulent, usually glandular; most leaf blades with more than 7 ultimate lobes.
subsp. montanum
2. Pedicels usually glabrous; most leaf blades with fewer than 7 ultimate lobes.
subsp. patens
Source FNA vol. 3.
Parent taxa 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. 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. 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. patens subsp. hepaticoideum, D. patens subsp. montanum, D. patens subsp. patens
Name authority Bentham: Pl. Hartw., 296. (1849)
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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