Herbs rhizomatous. Stems 35-50 cm tall, erect, densely white puberulent, purple-brown. Petiole 1.5-3.5 cm; leaf blade ovate to ovate-oblong, 4-6.5 × 2.5-4 cm, membranous, densely strigose, base shallowly cordate, margin coarsely crenate, apex obtuse to acute. Racemes terminal and axillary 4.5-13 cm; bracts obovate, ca. 4 × 3 mm, sparsely white puberulent, basally cuneate, margin entire, apically rounded. Pedicel ca. 4 mm, densely white glandular puberulent. Calyx ca. 1.5 mm, ca. 3 mm in fruit, glandular puberulent outside; scutellum ca. 2 mm, to 5 mm in fruit. Corolla ca. 2.3 cm, puberulent outside; tube straight, base slightly saccate, throat to 5 mm wide; middle lobe of lower lip spreading, ca. 7 mm wide, purple spotted inside, semicircular, apex emarginate; lateral lobes oblong, ca. 3.5 mm wide. Nutlets unknown. Fl. May.
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