Flora of North America species comparison

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Delphinium nudicaule

Delphinium sapellonis
Delphinium nudicaule

canyon delphinium, canyon larkspur, orange larkspur, red larkspur, red or orange larkspur, scarlet larkspur

Sapello Canyon larkspur
Stems

(15-)20-50(-125) cm;

base reddish, glabrous.

(50-)100-180(-220) cm;

base sometimes reddish, glabrous sometimes glaucous.
Leaves

blade round to pentagonal, 2-6 × 3-10 cm; ultimate lobes 3-12, width 5-40 mm (basal), 2-20 mm (cauline).

blade round to pentagonal, 6-10 × 8-16 cm, nearly glabrous; ultimate lobes 5-15, width 5-25 mm.
Inflorescences

5-20(-69)-flowered;

pedicel (1.5-)2-6(-8) cm, glabrous to glandular-pubescent;

bracteoles 14-20(-30) mm from flowers, green to red, linear, 2-4(-9) mm, glabrous to puberulent.

(12-)30-80(-120)-flowered;

pedicel 0.5-2 cm, glandular-puberulent;

bracteoles 3-5 mm from flowers, green to purple, linear, 5-8 mm, glandular-puberulent.
Flowers

sepals scarlet to reddish orange, rarely dull yellow, glabrous, lateral sepals forward-pointing to form pseudotube, (6-)8-13(-16) × 3-6 mm, spurs straight, slightly ascending, (12-)18-27(-34) mm;

lower petal blades elevated, exposing stamens, 2-3 mm, clefts 0.5-1 mm;

hairs sparse, evenly dispersed, yellow.

sepals (in bud) yellowish or brownish purple, becoming browner or yellower with age, glandular-puberulent, lateral sepals forward pointing, 8-12 × 3-5 mm, spurs straight, ascending 20-45° above horizontal, 8-11 mm;

lower petal blades slightly elevated, ± exposing stamens, 2.5-5 mm, clefts 1-2 mm;

hairs centered, mostly above base of cleft, yellow.
Fruits

13-26 mm, 3.5-4.5 times longer than wide, glabrous.

12-18 mm, 3-4 times longer than wide, puberulent.
Seeds

unwinged or sometimes slightly wing-margined;

seed coat cells with surfaces smooth.

wing-margined;

seed coat cells elongate, surfaces smooth.
2n

= 16.

Delphinium nudicaule

Delphinium sapellonis
Phenology Flowering late winter–early summer. Flowering summer.
Habitat Moist talus, cliff faces Subalpine meadows and open coniferous forest
Elevation 0-2600 m [0-8500 ft] 2600-3500 m [8500-11500 ft]
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
from FNA
NM
[BONAP county map]
Discussion

Delphinium nudicaule hybridizes with most other taxa of Delphinium that it encounters. Apparent hybrids involving D. nudicaule, and seen by the author (either afield or as specimens), include D. andersonii, D. antoninum, D. decorum, D. luteum, D. nuttallianum, D. patens, and D. trolliifolium. In addition, garden-grown plants have been hybridized with D. cardinale, D. elatum, D. menziesii, D. parishii, D. penardii, D. tatsienense Franchet, D. triste Fischer ex de Candolle, and D. uliginosum; D. nudicaule does not naturally occur with these species. Delphinium nudicaule is one of the earliest larkspurs to flower in any given locality. Douglas's type collection of D. nudicaule represents plants (synonyms D. sarcophyllum Hooker & Arnott and D. peltatum Hooker, an invalid name) grown under very moist conditions, probably quite near the ocean. The type specimen of D. armeniacum A. Heller represents plants grown under unusually dry conditions.

The Mendocino Indians consider Delphinium nudicaule a narcotic (D. E. Moerman 1986).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Delphinium sapellonis hybridizes with D. barbeyi and D. robustum. It replaces D. robustum and represents the southern Cordilleran complex at higher elevations of the southern Sangre de Cristo Mountains east of Santa Fe. It is not known elsewhere.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 3. Treatment author: Michael J. Warnock. FNA vol. 3. Treatment author: Michael J. Warnock.
Parent taxa Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Bicoloria 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. 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. 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. 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. armeniacum
Name authority Torrey & A. Gray: Fl. N. Amer. 1: 33. (1838) Tidestrom: Bot. Gaz. 34: 453. (1902)
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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