Subshrubs perennial. Rhizomes woody. Stems purplish, 9-32 cm tall, ascending, erect to curved, sometimes flexuous, branched basally, sparsely and finely minute tomentose. Petiole 2-13 mm, sparsely fine minute tomentose; leaf blade broadly ovate to elliptic, 0.6-2.2 × 0.5-1.5 cm, adaxially sparsely fine tomentose, abaxially densely appressed white or gray tomentose, lateral veins incon-spicuous to slightly conspicuous abaxially, base truncate to obtuse, margin 4-6-incised-serrate, apex obtuse. Racemes 2.5-12 cm, somewhat lax after anthesis; bracts ovate to broadly ovate, attenuate on both extremes, to 1.5 × 1 cm, ± membranous, sparsely or densely villous, intermixed with few short stipitate glandular hairs, apex subacute. Calyx ca. 2 mm, densely villous outside, glandular hairy, to 4.5 mm in fruit; scutellum ca. 1 mm, to 3.5 mm in fruit. Corolla yellow or yellowish, 2.2-3 cm, stipitate glandular outside; tube saccate in front at base, ca. 1.3 mm wide at middle, to 5 mm wide at throat; middle lobe of lower lip broadly ovate, apex emarginate, lateral lobes ovate. Nutlets 1.5-2 mm. Fl. May-Aug, fr. Aug-Sep.
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