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Delphinium viridescens

Wenatchee larkspur

Kittitas larkspur

Stems

90-150 cm;

base usually green, glabrous.

(40-)80-130(-180) cm;

base usually green, glabrous.

Leaves

blade cuneate to semicircular, 2-5 × 3-12 cm, nearly glabrous; ultimate lobes 3-21, width 1-8 mm.

blade round on proximal stem, ± cuneate on distal stem, 1.5-9 × 2-14 cm, glabrous; ultimate lobes 3-15, width 15-30 mm (basal), 1-20 mm (cauline).

Inflorescences

25-80-flowered, dense;

pedicel 0.5-2 cm, glandular-pubescent;

bracteoles 1-4 mm from flowers, green, lanceolate, 3.5-6 mm, glandular-pubescent.

25-50-flowered, ± dense;

pedicel 0.5-2 cm, glandular-puberulent;

bracteoles 4-5 mm from flowers, green to blue, lanceolate-linear, 3-7 mm, glandular-puberulent.

Flowers

sepals yellowish green, nearly glabrous, lateral sepals forward pointing, 7-9 × 3-4 mm, spurs decurved, 30-45° below horizontal, often hooked apically, 8-11 mm;

lower petal blades ± covering stamens, 4-6 mm, clefts 0.5-1.5 mm;

hairs centered, mostly near junction of blade and claw, yellow.

sepals dark blue, puberulent, lateral sepals forward pointing to spreading, 12-15 × 5-7 mm, spurs straight, within 20° of horizontal, 12-16 mm;

lower petal blades slightly elevated, exposing stamens, 6-8 mm, clefts 2-3 mm;

hairs centered, mostly near base of cleft, white.

Fruits

8-11 mm, 2.5-3 times longer than wide, puberulent.

10-15 mm, 3-4 times longer than wide, glandular-puberulent.

Seeds

± wing-margined;

seed coat cells with surfaces ± roughened.

narrowly wing-margined;

seed coat cells with surfaces somewhat roughened.

2n

= 16.

Delphinium viridescens

Delphinium multiplex

Phenology Flowering summer. Flowering late spring–summer.
Habitat Wet meadows and streamsides in coniferous forest, heavy clay soils Rocky streambeds
Elevation 500-1000 m (1600-3300 ft) 1500-1800 m (4900-5900 ft)
Distribution
from FNA
WA
[WildflowerSearch map]
[BONAP county map]
from FNA
WA
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Delphinium viridescens is local in mountains southwest of Wenatchee, Washington.

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

Delphinium multiplex hybridizes with D. glaucum and D. distichum.

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

Source FNA vol. 3. FNA vol. 3.
Parent taxa Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Multiplex Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Multiplex
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. 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. 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. 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
Synonyms D. cyanoreios
Name authority Leiberg: Proc. Biol. Soc. Wash. 11: 39. (1897) (Ewan) C. L. Hitchcock: in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. 2: 357. (1964)
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