PLANT: Aromatic shrub to 3 m tall, canescent. LEAVES: 0.7-2.4( 4.6) cm long, 0.5-1.5( 3.5) cm wide; petioles 0.2-0.8( 1.5) cm long; margins crenate; abaxial surface rugose, the lateral veins arching towards leaf apex, the tertiary veins reticulate between lateral veins. INFLORESCENCE: sometimes congested into spikes; peduncles absent or to 1 cm long; cymes 1 2 cm wide. FLOWER: pedicels 1 3 mm long; calyx 1.5 5 mm long, canescent, persistent; corolla 4 6( 8) mm long, whitish towards center; filaments white, pilose; anthers purple; style purple, exserted after being released from saccate corolla lobe. NUTLETS: oblong, 1.5 2 mm long, ca. 1 mm wide, brown at maturity. NOTES: Desert washes and hillsides: Cochise, Graham, Greenlee, La Paz, Maricopa, Mohave, Pima, Pinal, Yuma, Yavapai cos.; 200 1150 m (600 3800 ft); all year; CA, NV; nw Mex. REFERENCES: Walters, Gretchen M. 2003. Lamiaceae J. Ariz. – Nev. Acad. Sci. Volume 35(2).