Brittonia 19: 203. 1967.
Stems erect, virgate with age, 5–15 dm, glabrous when young, glaucous. Leaves opposite; blade lanceolate to ovate, 10–65 mm, margins usually 2–12-toothed. Inflorescences panicles, glandular-hairy. Flowers: caly× 3.5–6.7 mm, lobes lanceolate; corolla purplish brown, abaxial lip pale-yellow, brown-purple lined, 11–15 mm, tube plus distinct throat 5.5–9.5 mm, longer than adaxial lip, adaxial lip 2.6–6 mm; pollen-sacs 0.6–0.9 mm; staminode densely yellow-hairy, exserted. 2n = 16.
Phenology: Flowering Jun–Aug.
Habitat: Rocky slopes, coniferous and mixed forests, chaparral.
Elevation: 40–1900 m.
Keckiella lemmonii is essentially restricted to the mountains of northern California from the North Coast Ranges through the Klamath Mountains and the northern high Sierra Nevada.
"dm" is not declared as a valid unit of measurement for this property.