a small weak decumbent branched perennial herb; branches up to 9 in. long, 1/4– 1/3 lin. in diam., somewhat wiry at the base, flexuose, sparingly white-pilose and glandular-pulverulent; hairs rather long, slightly retrorse; leaves ovate, 4–9 lin. long, 3–7 lin. broad, rounded to subcordate at the base, sometimes shortly tapering to the petiole, crenate, sparingly white-pilose above and on the nerves beneath; teeth broad, shallow, 5–9 each side; petiole 1–2 1/2 lin. long; bracts ovate to oblong, longer to shorter than the calyx; whorls 2-flowered, several, distinct or distant; flowers mostly turned to one side; pedicels scarcely 1/2 lin. long; calyx campanulate, 3 3/4 lin. long, somewhat hispid with rather long white hairs, glandular-puberulous, often purplish, prominently 10-nerved; teeth lanceolate-triangular, 1 3/4 lin. long, spinescent; corolla reddish-purple, shortly pubescent outside; tube about 3 lin. long, slightly enlarged upwards; upper lip suborbicular, about 2 lin. long; lower lip 4 1/2 lin. long; median lobe semi-orbicular, 2 1/4 lin. long, 3 1/2 lin. broad. null