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

umbrella larkspur

Stems

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

base reddish or not, nearly glabrous.

40-70(-90) cm;

base often reddish, glabrous or puberulent.

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 to pentagonal, 1.5-4 × 2-6 cm, nearly glabrous; ultimate lobes 3-13, width 3-20 mm (basal), 1-8 mm (cauline).

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.

(5-)10-25(-45)-flowered, open, narrowly pyramidal;

pedicel 0.5-3(-7) cm, glabrous to puberulent;

bracteoles 3-7 mm from flowers, green, linear, 3-6 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, puberulent, lateral sepals spreading, 9-16 × 4-7 mm, spurs gently upcurved, ascending 30-45° above horizontal, 8-14 mm;

lower petal blades elevated, exposing stamens, 3.5-6 mm, clefts 0.5-1.5 mm;

hairs densest near junction of blade and claw above base of cleft, centered or on inner lobes, white.

Fruits

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

9-16(-19) mm, 2.5-3(-4) times longer than wide, puberulent.

Seeds

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

seed coat cells brick-shaped, cell margins straight, surfaces smooth.

2n

= 16.

= 16.

Delphinium purpusii

Delphinium umbraculorum

Phenology Flowering spring. Flowering late spring–early summer.
Habitat Talus, cliffs, on and near large boulders Slopes in oak forests
Elevation 300-1300 m (1000-4300 ft) 400-1600 m (1300-5200 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[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.)

Delphinium umbraculorum is most often confused with D. patens subsp. hepaticoideum; refer to discussion of that taxon for distinguishing features. Hybrids occur with D. parryi and D. patens subsp. montanum.

(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. Subscaposa
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. sutherlandii, D. treleasei, D. tricorne, D. trolliifolium, D. uliginosum, D. variegatum, D. viridescens, D. wootonii, D. xantholeucum
Name authority Brandegee: Bot. Gaz. 27: 444. (1899) H. F. Lewis & Epling: Brittonia 8: 19. (1954)
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