Flora of North America species comparison

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Delphinium nuttallii subsp. nuttallii

(synonym of Delphinium oreganum)

Delphinium novomexicanum
Delphinium oreganum

Willamette Valley larkspur

New Mexico larkspur, White Mountain larkspur
Stems

40-70 cm.

90-180(-250) cm;

base usually green, glabrous.
Leaves

blade round to pentagonal, 5-10 × 8-18 cm, nearly glabrous; ultimate lobes 5-21, width 4-15 mm.
Inflorescences

(20-)30-70(-140)-flowered;

pedicel 0.5-1.5 cm, puberulent;

bracteoles 1-3 mm from flowers, green, linear, 5-8 mm, puberulent.
Flowers

sepals blue or bluish purple, spurs 10-13 mm;

lower petal blades 4.5-6.5 mm.

sepals (in bud) purple to lavender, fading brownish, puberulent, lateral sepals ± forward pointing, 7-11 × 4-5 mm, spurs straight to gently decurved, ascending 30-45° above horizontal, 7-11 mm;

lower petal blades ± covering stamens, 3.5-6 mm, clefts 1-2 mm;

hairs mostly centered between base of cleft and junction of blade and claw, white or yellow.
Fruits

12-16 mm, 3-4 times longer than wide, puberulent.
Seeds

wing-margined;

seed coat cells elongate, surfaces ± roughened.
2n

= 16.

= 16.

Delphinium nuttallii subsp. nuttallii

Delphinium novomexicanum
Phenology Flowering late spring–early summer. Flowering summer to early autumn.
Habitat Rock outcrops, rocky meadows Meadows in coniferous forest
Elevation 20-300 m (100-1000 ft) 2200-3900 m (7200-12800 ft)
Distribution
from FNA
OR; WA
from FNA
NM
[BONAP county map]
Discussion

Delphinium novomexicanum represents the southern Cordilleran complex in the Sacramento and White mountains.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 3. FNA vol. 3.
Parent taxa Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Grumosa > Delphinium nuttallii Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Exaltata
Sibling taxa
D. nuttallii subsp. nuttallii, D. nuttallii subsp. ochroleucum
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. 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
Synonyms D. sierrae-blancae
Name authority unknown Wooton: Bull. Torrey Bot. Club 37: 37. (1910)
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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