Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California.
Habitat: Forest understory, openings, and margins, 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 3-8 dm. tall, with long, spreading hairs.
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 5-9 mm. long, pubescent with long, spreading hairs, the 5 teeth broadly triangular, much shorter than the tube; corolla two-lipped, pink to purplish-pink, the tube 8-13 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
PNW Herbaria: Specimen records of Stachys mexicana in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Stachys mexicana checklist entry
OregonFlora: Stachys mexicana information
E-Flora BC: Stachys mexicana atlas page
CalPhotos: Stachys mexicana photos