UW Burke Herbarium species comparison

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Delphinium nudicaule

Delphinium nuttallii
Delphinium nudicaule

Nuttall's larkspur
Habit Crisp-puberulent, eglandular perennial from small, globose, fleshy roots, the single stems 3-6 dm. tall.
Leaves

Leaves long-petiolate, evenly distributed, the blades up to 10 cm. broad, 3-4 times dissected into narrowly lanceolate or linear segments.
Flowers

Inflorescence simple to compound, the racemes spike-like above, the lower pedicels exceeding the numerous, crowded flowers;

sepals 5, deep bluish-purple, 7-12 mm. long, slightly spreading, with a conspicuous median, pubescent, greenish band;

spur equal to the sepals;

petals 4, small, the lower pair deep purplish-blue, shallowly cleft, the upper pair light blue;

stamens numerous;

pistils 3.
Fruits

Follicles about 15 mm. long, slightly bent.

Delphinium nudicaule

Delphinium nuttallii
Flowering time May-June
Habitat Gravelly outwash prairies and basaltic cliffs.
Distribution
[WildflowerSearch map]
[BONAP county map]
Occurring west of the Cascades crest and east in the Columbia River Gorge in Washington; Washington to Willamette Valley, Oregon.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Not of concern
Sibling taxa
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, 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. occidentale, D. stachydeum, D. sutherlandii, D. trolliifolium, D. viridescens, D. xantholeucum
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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