General: Perennial, 20-70 cm tall; stems solitary or few, simple or few-branched; herbage spreading-hairy; rhizomes slender. Leaves: Cauline, opposite, simple, ovate, lance-ovate, or elliptic, 1-4 cm long, 1-1.5 cm wide, surfaces sparsely pubescent, paler beneath, margins entire or obscurely toothed; petioles short. Flowers: Inflorescence a dense verticil, appearing spike-like, mostly 4-10 cm long, the lowest whorl of flowers often interrupted; calyx tube 5-8 mm long, the teeth 2-4 mm long, green at the base, whitish to rose-purple towards the teeth; corolla 10-15 mm long, white to faintly pinkish; stamens 4, the upper ones exserted 1-2 mm beyond the upper lip, the lower ones slightly shorter but still exserted; flowers July-October. Fruits: Nutlets 4, ovate, smooth. Ecology: Ponderosa pine forests, woodlands, shady habitats; 1500- 2100 m (5000-7000 ft); Cochise, Coconino, and Pima counties; northeastern and northwestern Canada, northeastern, north-central, northwestern, and southwestern U.S. Notes: na Editor: Springer et al. 2008