Herbs rhizomatous. Stems erect, densely floccose-pilose, unbranched, leafy apically. Petiole 0.8-2.3(-3) cm, white floccose-pilose; leaf blade ovate, 3-7 × 1.5-4.5 cm, thin, papery, adaxially sparsely pilose, abaxially densely pilose, base obliquely cordate, margin coarsely crenate-serrate, apex acute. Racemes terminal, axillary, 2.5-7 cm, all above mid stem; bracts petiolate, linear, ca. 2 mm, pilose. Pedicel ca. 3 mm, densely glandular pilose. Fruiting calyx ca. 4 mm, glandular pilose outside; scutellum ca. 2 mm. Corolla not seen. Nutlets black, ca. 2 × 0.5 mm, tuberculate, adaxially umbonate near base. Fr. Jul-Aug.
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