Herbs procumbent, 10-50 cm tall. Stems pilose-hispid. Petiole 1-10 mm; leaf blade ovate to ovate-lanceolate, 1-4.5 × 0.3-2.5 cm, herbaceous, adaxially pilose-hispid and minutely hispid, abaxially sparsely yellowish glandular, pilose-hispid on veins, base cuneate to rounded, decurrent, margin crenate except for entire base, apex obtuse. Spikes terminal, 2.5-6 × ca. 1 cm; verticillasters overlapping, many flowered; rachis densely pilose; bracts linear-subulate, 5-6 mm, ciliate, longer than corolla. Pedicel less than 1 mm, densely pilose. Calyx campanulate, ca. 2 mm, densely pilose except for base outside; teeth lanceolate, subequal, ca. 1 mm, pilose inside. Corolla reddish, ca. 4 mm, pubescent outside, throat villous, obscurely hairy annulate inside; tube ca. 3 mm, funnelform, to 2 mm wide at throat; upper lip slightly curved, 2-lobed; middle lobe of lower lip circular, margin incised; lateral lobes semicircular. Anterior stamens reduced, posterior 2 included or slightly exserted. Anterior style lobe ca. 2 × as long as posterior. Nutlets yellowish, oblong. Fl. and fr. Aug-Oct.
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