stem herbaceous or becoming somewhat woody at the base; branches ascending, densely glandular-villous; leaves petiolate, the upper subsessile, oblong-lanceolate or sometimes ovate, rounded to acute, cuneate, rounded or cordate at the base, coarsely erose-dentate, more or less rugose, glandular-pubescent, 1–4 1/4 in. long, 3/4–2 in. broad; petiole up to 1 3/4 in. long; whorls 6–10-flowered, distant, in simple or branched terminal racemes up to 8 in. long; bracts broadly ovate, acuminate, the upper shorter than the calyx; calyx campanulate, 3 1/2 lin. long, 12- or 13-nerved, glandular-pilose; upper lip broadly ovate, minutely and acutely 3-toothed; lower lip bifid; teeth ovate-triangular, 1 1/4–1 1/2 lin. long, acuminate-pungent; corolla whitish, 3–6 lin. long; tube 2–3 3/4 lin. long, ventricose at the throat; upper lip 1 1/2–2 3/4 lin. long, emarginate; lower lip 1 1/4–2 3/4 lin. long; median lobe transversely oblong, 1 lin. long, 1 1/4–2 lin. broad, retuse, concave; lateral lobes ovate-oblong, 1/2– 3/4 lin. long, 1/3– 1/2 lin. broad, slightly oblique, rounded to subacute. null
