Page author: David Giblin
Delphinium menziesii
Menzies larkspur
WTU specimens
Other herbaria

Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to Oregon.

Habitat: Coastal bluffs and prairies to moist meadows and forest openings at moderate elevations in the mountains.

Flowers: April-July

Origin: Native

Conservation Status: Not of concern

Description:
General:

Glabrous to pubescent perennial from several small tubers, the single, simple or branched stem 1-5 dm. tall.

Leaves:

Leaves mostly cauline, only the basal ones long-petiolate, the blades 3-7 cm. broad, 2-3 times dissected, the ultimate segments comparatively few, narrowly oblong.

Flowers:

Inflorescence simple to compound, the racemes 3-20 flowered, open and loose, the pedicels from sub-equal to the flowers to several times as long; sepals 5, deep blue, 12-18 mm. long, the spur 13-15 mm. long, much longer than the upper sepal; petals 4, small, the lower pair blue, lightly veined and shallowly notched, the upper pair white or light blue; stamens numerous; pistils 3.

Fruits:

Follicles 9-16 mm. long, erect to spreading, densely pubescent.

Accepted Name:
Delphinium menziesii DC.
Publication: Syst. Nat. 1: 355. 1817.

Synonyms & Misapplications:
Delphinium menziesii DC. ssp. menziesii [FNA3]
Delphinium menziesii DC. ssp. pyramidale Ewan
Delphinium menziesii var. menziesii [HC]
Delphinium menziesii DC. var. pyramidale (Ewan) C.L. Hitchc. [HC]
Additional Resources:

PNW Herbaria: Specimen records of Delphinium menziesii in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Delphinium menziesii checklist entry.

E-Flora BC: Delphinium menziesii atlas page.

CalPhotos: Delphinium menziesii photos.

USDA Plants: Delphinium menziesii information.

33 photographs:
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