a perennial herb with a creeping subterranean woody caudex; stem erect, often fastigiately branched, rarely simple, somewhat densely pilose, 2/3–1 3/4 ft. high; lower leaves subsessile or shortly petiolate, up to 4 in. long, 1/4–1 1/4 in. broad; upper sessile, gradually smaller, oblong, lanceolate-oblong or oblanceolate-oblong, rounded to acute, crenate or erose-dentate, occasionally few-lobed in the lower half, shortly pilose, usually more or less rugose, gland-dotted; whorls usually 6–10-flowered, distant, in simple or branched racemes 5–12 in. long; bracts broadly ovate or suborbicular, long-acuminate, shorter than the calyx; pedicels 1–2 in. long; calyx campanulate, 3 1/4–3 3/4 lin. long, slightly longer after flowering, often densely pilose, gland-dotted; upper lip finally subtruncate, 3-toothed; teeth subulate, 1/4–1 lin. long; lower lip bifid; teeth lanceolate-triangular, 1 1/4–2 lin. long, acuminate; corolla pale blue or lilac, about 5 lin. long, shortly pubescent; tube funnel-shaped, 2 1/2–3 lin. long, annular-pilose inside; upper lip 1 1/2–2 lin. long; lower lip 2–2 1/2 lin. long. null
