Flora of North America species comparison

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Delphinium purpusii

Delphinium hutchinsoniae

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

Hutchinson's delphinium, Hutchinson's larkspur, Monterey larkspur
Stems

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

base reddish or not, nearly glabrous.

(25-)50-80(-100) cm;

base reddish, not longitudinally ridged, variably 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, 1-6 × 1.5-10 cm, puberulent; ultimate lobes 3-17, width 4-16(-25) mm (basal), 1-8(-19) 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.

(2-)7-20(-31)-flowered, open;

pedicel 1-4(-6) cm, puberulent;

bracteoles (2-)8-12 mm from flowers, green, linear, 3-6(-9) 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 bluish purple, puberulent, lateral sepals spreading, (12-)14-19(-24) × 7-12(-15) mm, spurs ascending, decurved apically, 11-19 mm;

lower petal blades slightly elevated, mostly covering stamens, 5-10 mm, cleft 2-3 mm;

hairs sparse, mostly on inner lobes, absent on margins, white.
Fruits

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

9-21 mm, 2.5-4.2 times longer than wide, sparsely puberulent.
Seeds

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

not echinate, ± smooth to naked eye;

seed coat cells with margins ± undulate, surfaces smooth.
2n

= 16.

Delphinium purpusii

Delphinium hutchinsoniae
Phenology Flowering spring. Flowering spring.
Habitat Talus, cliffs, on and near large boulders Coastal chaparral, clearings in coniferous woods
Elevation 300-1300 m (1000-4300 ft) 0-400 m (0-1300 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[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.)

Of conservation concern.

Delphinium hutchinsoniae is known from only a few populations near Monterey and south to the Big Sur region. Hybrids have been produced between D. hutchinsoniae and D. cardinale grown in a common garden. Hybrids also occur with D. parryi subsp. maritimum.

Delphinium hutchinsoniae is similar, and probably closely related, to D. variegatum. The two may be distinguished by the decurved spur of D. hutchinsoniae; the spur of D. variegatum is normally straight (or decurved nearer apex). Delphinium hutchinsoniae lacks marginal hairs on lower petals; such hairs are present in D. variegatum. The two species are also geographically separated.

(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. Echinata
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. 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
Name authority Brandegee: Bot. Gaz. 27: 444. (1899) Ewan: Bull. Torrey Bot. Club 78: 379. (1951)
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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