Page author: David Giblin
Stachys rigida
rigid hedge-nettle
WTU specimens
Other herbaria

Distribution: Scattered locations mostly west of the Cascades in Washington; south to California and adjacent Nevada.

Habitat: Stream banks and moist bottom lands, mostly at low elevations.

Flowers: July-August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Perennial herbs from rhizomes, the square stems simple or branched, 2-7 dm. tall, hairy throughout, with long, coarse, spreading hairs on the angles and finer, sticky hairs on the sides.

Leaves:

Leaves opposite, petiolate, the lower leaves with petioles 1-4 cm. long, the blades lance-triangular to elliptic, broadly rounded at the base, 3.5-9 cm. long and 1-4 cm. wide, with rounded teeth.

Flowers:

Inflorescence a series of verticels in the upper leaf axils, the leaves reduced upward to small bracts; calyx 5-6 mm. long, the 5 teeth broadly triangular, shorter than the tube, somewhat hairy, spine-tipped; corolla two-lipped, 9-14 mm. long, the tube surpassing the calyx, purplish with white spots, the upper lip slightly cupped, enclosing the 4 stamens, the lower lip spreading, 3-lobed, the central lobe much the largest, the tube with an internal ring of hairs; style 2-parted; ovary 2-celled, superior.

Fruits:

Nutlets 4

Accepted Name:
Stachys rigida Nutt. ex Benth.

Synonyms & Misapplications:
Stachys rigida Nutt. ex Benth. var. rigida
Additional Resources:

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

WA Flora Checklist: Stachys rigida checklist entry.

E-Flora BC: Stachys rigida atlas page.

CalPhotos: Stachys rigida photos.

USDA Plants: Stachys rigida information.

21 photographs:
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