Herbs perennial. Rhizomes slightly enlarged. Stems 1 or 2, 11-25(-36) cm tall, 1-1.2(-2) mm in diam. at base, antrorsely pubescent, densely so apically. Petiole 0.5-2 cm; leaf blade ovate to rhombic-ovate, 1.1-3(-5.5) × 0.7-1.7(-3.5) cm, membranous, adaxially sparsely strigose or subglabrous, abaxially glabrous, with orange glands, veins antrorsely pubescent, base cuneate to subrounded, margin with apical 2/3 obtusely dentate to coarsely crenate, apex acute to obtuse. Racemes terminal, 2-4 cm; bracts sessile, narrowly elliptic, 2-3 mm, margin entire and ciliolate. Pedicel 2-2.5 mm. Calyx ca. 2 mm, pubescent outside; scutellum ca. 1 mm. Corolla white to purplish, ca. 2.1 cm, sparsely puberulent outside, glabrous inside; tube ca. 1.8 cm, base bent, throat to 5 mm wide; middle lobe of lower lip triangular, ca. 5 mm wide, base constricted, apex emarginate; lateral lobes triangular, ca. 1.5 mm wide, apex obtuse. Nutlets unknown. Fl. Apr-May, fr. Aug.
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