UW Burke Herbarium species comparison

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Delphinium leucophaeum

Delphinium xantholeucum
Delphinium leucophaeum

pale larkspur

yellow-white larkspur
Habit Rather stout perennial from a thick, branching, fibrous root, the single stem 3-8 dm. tall, glabrous below but glandular at least in the inflorescence.
Leaves

Leaves few, glabrous and glaucous, mostly on the lower 1/5 of the stem;

leaf blades 2-7 cm. broad, 3-4 times dissected, the ultimate segments linear, 1-2 mm. broad.
Flowers

Inflorescence compound, the main raceme as long as the rest of the stem, loosely many-flowered;

pedicels elongate, spreading;

sepals 5, creamy-white to greenish-white, green-tipped, the lateral pair oblong, about 10 mm. long;

spur 12-15 mm. long;

petals 4, small, creamy-yellow;

stamens numerous;

pistils 3.
Fruits

Follicles 15-22 mm. long, erect, glabrous to glandular-pubescent.

Delphinium leucophaeum

Delphinium xantholeucum
Flowering time May-June April-June
Habitat Bluffs, open ground, and moist lowland meadows where undisturbed. Dry, grassy hillsides and ponderosa pine forests.
Distribution
Occurring west of the Cascades crest in Washington, where known only from Lewis County in Washington; Lewis County, Washington to Willamette Valley, Oregon.
[WildflowerSearch map]
Occurring east of the Cascades crest in Washington, where endemic to Okanogan, Chelan, and Douglas counties.
[WildflowerSearch map]
[BONAP county map]
Origin Native Native
Conservation status Endangered in Washington (WANHP) Not of concern
Sibling taxa
D. ajacis, D. basalticum, D. ×burkei, D. depauperatum, D. distichum, D. glareosum, D. glaucum, D. lineapetalum, D. menziesii, D. multiplex, D. nuttallianum, D. nuttallii, D. occidentale, D. stachydeum, D. sutherlandii, D. trolliifolium, D. viridescens, D. xantholeucum
D. ajacis, D. basalticum, D. ×burkei, D. depauperatum, D. distichum, D. glareosum, D. glaucum, D. leucophaeum, D. lineapetalum, D. menziesii, D. multiplex, D. nuttallianum, D. nuttallii, D. occidentale, D. stachydeum, D. sutherlandii, D. trolliifolium, D. viridescens
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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