Herbs perennial. Stems erect-ascending, ca. 40 cm, densely gray puberulent. Petiole 0.5-1.5 cm; leaf blade narrowly lanceolate to oblong, gradually smaller and margin entire upward, 3-7 × 0.8-2.2 cm, papery, adaxially sparsely minutely hispid, densely pubescent on veins, abaxially scattered yellowish glandular, sparsely minutely hispid on veins, base narrowly cuneate, margin crenate-serrate, apex acuminate, lateral veins ca. 4-paired. Cymes axillary, 0.8-2 cm, dichotomous, each branch 1-or 2(-4)-flowered; peduncle 1-3 mm, densely puberulent. Pedicel 1-3 mm, densely puberulent. Calyx campanulate, ca. 2.5 × to 2.5 mm, veins and margins puberulent, conspicuously 2-lipped; upper teeth ovate, apex acute; lower teeth narrowly triangular; fruiting calyx broadly campanulate, slightly curved, dilated to 4.5 mm. Corolla to 8 mm, sparsely puberulent, glandular, tube conspicuously pouched on upper side near base, ca. 2 mm in diam., abruptly recurved above base, slightly constricted, throat ca. 1.2 mm wide, upper lip ca. 3.5 mm, lower lip ca. 4 mm. Stamens included. Style included. Nutlets brown, subglobose, ca. 1.5 mm in diam., glabrous.
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