Page authors: David Giblin, Don Knoke
Stachys cooleyae
Cooley's hedge-nettle

Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California.

Habitat: Forest understory, openings, and margins from low to moderate elevations in the mountains; often where moist.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bumblebees, bees


Perennial herbs from rhizomes, the square, simple stems 7-15 dm. tall, with retrorse bristles on the angles.


Leaves opposite, pubescent on both sides with long, straight hairs, long-petiolate, gradually reduced upward, the blades narrowly deltoid-ovate to cordate-ovate, 6-15 cm. long and 2.5-8 cm. wide, with coarse, rounded teeth.


Inflorescence a series of verticels in the upper leaf axils, the leaves reduced upward to small bracts; calyx 8-11 mm. long, with soft, gland-tipped hairs, the 5 teeth broadly triangular, much shorter than the tube; corolla two-lipped, deep red-purple, the tube 15-25 mm. long, the upper lip hood-like, enclosing the 4 stamens, the lower lip 8-14 mm. long, spreading, 3-lobed, the central lobe much the larger, the tube with an internal ring of hairs; style 2-parted; ovary 2-celled, superior.


Nutlets 4

Accepted Name:
Stachys cooleyae A. Heller
Publication: Bull. Torrey Bot. Club 26(1): 590-591. 1899.

Synonyms & Misapplications:
Stachys chamissonis Benth. var. cooleyae (A. Heller) G.A. Mulligan & D.B. Munro [KZ99]
Additional Resources:

PNW Herbaria: Specimen records of Stachys cooleyae in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Stachys cooleyae checklist entry.

OregonFlora: Stachys cooleyae information.

E-Flora BC: Stachys cooleyae atlas page.

CalPhotos: Stachys cooleyae photos.

USDA Plants: Stachys cooleyae information.

37 photographs:
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