Flora of North America species comparison

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Delphinium geraniifolium

Delphinium ramosum

Clark Valley larkspur, Mogollon larkspur

mountain larkspur
Stems

60-100 cm;

base reddish, puberulent, midstems pubescent.

(45-)70-100 cm;

base sometimes reddish, puberulent.
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 to pentagonal, 2-8 × 4-14 cm, nearly glabrous; ultimate lobes 5-21, width 1-5 mm;

midcauline leaf lobes more than 3 times longer than wide.
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.

(10-)15-40(-120)-flowered;

pedicel 1-2.5(-4) cm, puberulent;

bracteoles 1-3 mm from flowers, green, sometimes margins white, linear or lanceolate, 3-5(-8) 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 bright dark blue, apex rounded, puberulent, lateral sepals forward pointing to spreading, 11-13 × 4-6 mm, spurs straight, ascending ca. 30° above horizontal, 9-13 mm;

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

hairs centered above base of cleft, white.
Fruits

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

11-17 mm, 3-4 times longer than wide, puberulent.
Seeds

unwinged;

seed coat cells with margins straight, surfaces ± roughened.

wing-margined;

seed coat cells narrow, short, surfaces roughened.
2n

= 16.

= 16.

Delphinium geraniifolium

Delphinium ramosum
Phenology Flowering summer. Flowering summer.
Habitat Heavy clay soil, dry meadows in coniferous woods Meadows, aspen woodlands, Artemisia scrub
Elevation 1800-3400 m (5900-11200 ft) 2100-3200(-3400) m (6900-10500(-11200) ft)
Distribution
from FNA
AZ; NM
[WildflowerSearch map]
[BONAP county map]
from FNA
CO; NM
[WildflowerSearch map]
[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.)

Delphinium ramosum hybridizes with D. barbeyi and D. glaucum.

(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. Exaltata
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. 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
Synonyms D. tenuisectum subsp. amplibracteatum
Name authority Rydberg: Bull. Torrey Bot. Club 26: 583. (1899) Rydberg: Bull. Torrey Bot. Club 28: 276. (1901)
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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