Rhizomes woody, brown-purple, branched. Stems ascending or subprostrate, much branched, apex white sericeous-villous, finely glandular, base purplish, puberulent. Petiole short or obsolete; blade of mid cauline leaves circular to reniform, 1.5-2 × 2-2.7 cm, adaxially corrugate, densely white sericeous-villous, abaxially yellowish glandular, base cuneate to broadly cuneate, margin crenate, ciliate, apex rounded to subobtuse, veins spreading white villous. Cymes 2-or 3-flowered; peduncle ca. 1.5 mm; bracteoles subulate or sublanceolate. Pedicel ca. 1.2 mm. Calyx slightly dilated at apex, curved, 1-1.2 cm, densely white villous, puberulent, conspicuously veined; teeth ovate, ca. 1.5 mm, teeth of upper lip wider than those of lower lip. Corolla yellowish or blue, 1.1-1.4 cm, puberulent and villous near throat, tube resupinate; middle lobe of apparent upper lip wide, rhombic-flabellate, apex emarginate; lateral lobes small, circular; lobes of lower lip straight, circular, ca. 2 mm. Nutlets brown, oblong-ovoid, smooth. Fl. Jul, fr. Aug-Sep.
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