Herbs perennial. Stems erect, 60-100 cm, densely white pilose, branched at apex. Petiole 0.5-4 cm; leaf blade circular-ovate to triangular-ovate, 4.5-9 × 3-6 cm, papery, white pilose, adaxially densely pilose on veins, abaxially sparsely yellowish glandular, base broadly cuneate to subtruncate, margin dentate-serrate, apex acuminate, apical tooth lanceolate, lateral veins 4-paired. Panicles terminal, to 15 cm, densely white pilose, glandular; cymes pedunculate, 3-flowered; floral leaves sessile, bractlike, ovate to ovate-lanceolate, margin entire, ciliate; lower floral leaves foliaceous. Pedicel 5(-8) mm. Calyx broadly campanulate, ca. 3.5 mm, densely white pilose, glandular, 2-lipped; teeth ca. 1/2 as long as calyx. Corolla purplish or reddish, 8-9 mm, pilose, upper lip ca. 3 mm, lower lip nearly as long. Stamens included. Style included. Nutlets yellow-brown, ovoid, ca. 1.2 mm, glabrous. Fl. Jul-Sep, fr. Aug-Oct.
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