Subshrubs perennial. Rhizomes woody, to 1.5 cm in diam., flexuous. Stems purplish, numerous, 6-22 cm tall, ascending to subprostrate, flexuous, ca. 1.5 mm in diam., sparsely fine minute tomentose. Petiole (1.5-)5-10(-14) mm, flat, narrowly winged, tomentose; leaf blade ovate to elliptic, (0.6-)1.2-2.2 × (0.4-)0.8-1.5(-2.2) cm, adaxially sparsely tomentose, abaxially densely gray tomentose, lateral veins conspicuously impressed adaxially, base subtruncate, margin 4-7-pinnatipartite, apex acute; segments fingerlike, 2-6(-8) × ca. 1 mm. Racemes 2.5-5 cm, to 7 cm in fruit; bracts purplish upward, broadly ovate, (8-)12-15 × 6-10 mm, ± membranous, apex acute to acuminate, villous sometimes intermixed with short-stipitate glandular hairs, apex acute to acuminate. Pedicel ca. 5 mm, villous. Calyx ca. 2 mm, villous outside, stipitate glandular hairy, ca. 4 mm in fruit; scutellum ca. 1.5 mm, ca. 4 mm in fruit. Corolla yellow or yellow with purple on limb, 2.5-3.3 cm, pilose outside, short stipitate glandular hairy; tube saccate in front at base, ca. 1.5 mm wide at middle, gradually dilated upward, to 7 mm wide at throat; middle lobe of lower lip broadly ovate, apex emarginate; lateral lobes ovate. Nutlets triquetrous, ovoid, ca. 1.5 × 1 mm, densely gray tomentose, adaxially umbonate at basal 1/3. Fl. Jun-Aug, fr. Jul-Sep.
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