Flora of North America species comparison

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Delphinium geraniifolium

Delphinium sutherlandii

Clark Valley larkspur, Mogollon larkspur

Sutherland's larkspur
Stems

60-100 cm;

base reddish, puberulent, midstems pubescent.

(15-)30-70 cm;

base often reddish, glabrous.
Leaves

blade dark green, at least adaxially, fan-shaped to reniform, 2-5 × 3-7 cm, pubescent, especially abaxially; ultimate lobes 5-15, width 4-15 mm (basal lobes 5-15 mm), apex abruptly tapered, usually mucronate;

veins prominent.

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

20-90-flowered, dense, cylindric;

pedicel ascending to spreading, 1-2 cm, puberulent;

bracteoles 1-2 mm from flowers, green, linear, 4-6 mm, 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 dark blue to purple, puberulent, lateral sepals spreading to slightly forward pointing, 10-14 × 3-5 mm, spurs ascending 20-70°, truncate or downcurved apically, 12-15 mm;

lower petal blades slightly elevated, ± exposing stamens, 4-6 mm, clefts 0.5-2 mm;

hairs sparse, local below junction of blade and claw, scattered on margins, 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

13-18 mm, 3-3.5 times longer than wide, puberulent.

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

unwinged;

seed coat cells with margins straight, surfaces ± roughened.

winged on 1 margin;

seed coat cell surfaces roughened.
2n

= 16.

= 16.

Delphinium geraniifolium

Delphinium sutherlandii
Phenology Flowering summer. Flowering spring.
Habitat Heavy clay soil, dry meadows in coniferous woods Dry meadows, rock outcrops, open conifer woods
Elevation 1800-3400 m (5900-11200 ft) 400-800 m (1300-2600 ft)
Distribution
from FNA
AZ; NM
[WildflowerSearch map]
[BONAP county map]
from FNA
ID; MT; WA; BC
[BONAP county map]
Discussion

Delphinium geraniifolium is a more pubescent analog of the closely related D. scopulorum, the former occurring in heavier soils at higher elvation.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 3. FNA vol. 3.
Parent taxa Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Wislizenana 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. 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. treleasei, D. tricorne, D. trolliifolium, D. uliginosum, D. umbraculorum, D. variegatum, D. viridescens, D. wootonii, D. xantholeucum
Synonyms D. tenuisectum subsp. amplibracteatum
Name authority Rydberg: Bull. Torrey Bot. Club 26: 583. (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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