Flora of North America species comparison

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Delphinium purpusii

Delphinium sutherlandii

Kern County larkspur, Purpus' larkspur, rose-color larkspur, rose-flower larkspur

Sutherland's larkspur
Stems

(30-)50-80(-120) cm;

base reddish or not, nearly glabrous.

(15-)30-70 cm;

base often reddish, glabrous.
Leaves

blade round, 1.5-6 × 2-10 cm, ± puberulent; ultimate lobes 0-5, width 5-30(-50) mm (basal), 5-20(-40) mm (cauline).

blade round, 1.5-10 × 3-18 cm, nearly glabrous; ultimate lobes 5-21, 5 or more extending more than 3/5 distance to petiole, width 3-9(-15) mm (basal), 0.5-6(-10) mm (cauline), widest at middle or in proximal 1/2.
Inflorescences

(8-)12-20(-32)-flowered, ± cylindric;

pedicel ± ascending, (0.5-)1-4(-5) cm, glandular-puberulent;

bracteoles 1-6 mm from flowers, green to magenta, linear, 2-4 mm, glandular-puberulent.

(2-)11-26(-37)-flowered, at least 2 times longer than wide;

pedicel 1-3 cm, puberulent;

bracteoles 2-7 mm from flowers, green to blue, linear-lanceolate, 3-5 mm, puberulent.
Flowers

sepals magenta to rose, nearly glabrous, lateral sepals reflexed, 10-16 × 3-7 mm, spurs straight, 30-45° above horizontal, (10-)14-19 mm;

lower petal blades nearly coplanar with claws, exposing stamens, 3-4 mm, clefts 0.5-1.5 mm;

hairs sparse, scattered, white.

sepals dark blue, retaining color upon drying, puberulent, lateral sepals spreading, 14-20 × 5-10 mm, spurs gently decurved, ascending 0-20° above horizontal, 14-18 mm;

lower petal blades slightly elevated, ± covering stamens, white, yellowish, or tan, 8-12 mm, clefts 2-4 mm;

hairs short, sparse, mostly below junction of blade and claw, slightly offset to inner lobes, white.
Fruits

(11-)18-29 mm, 4-4.5 times longer than wide, glabrous.

(13-)18-25 mm, 4.5-5.2 times longer than wide, puberulent.
Seeds

seed coats with small wavy ridges, cells brick-shaped, cell margins undulate, surfaces smooth.

winged on 1 margin;

seed coat cell surfaces roughened.
2n

= 16.

= 16.

Delphinium purpusii

Delphinium sutherlandii
Phenology Flowering spring. Flowering spring.
Habitat Talus, cliffs, on and near large boulders Dry meadows, rock outcrops, open conifer woods
Elevation 300-1300 m (1000-4300 ft) 400-800 m (1300-2600 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
ID; MT; WA; BC
[BONAP county map]
Discussion

Of conservation concern.

Delphinium purpusii is not likely to be confused with any other Delphinium in North America. Hybrids with Delphinium hansenii subsp. kernense are known to occur.

(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. 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. 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. treleasei, D. tricorne, D. trolliifolium, D. uliginosum, D. umbraculorum, D. variegatum, D. viridescens, D. wootonii, D. xantholeucum
Name authority Brandegee: Bot. Gaz. 27: 444. (1899) M. J. Warnock: Phytologia 78: 97. (1995)
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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