Herbs perennial; indumentum yellowish. Stems tomentose-pilose, glabrescent. Petiole 2.3-7 cm; leaf blade cordate to broadly ovate-cordate, 5.8-11 X 4.3-8.7 cm, abaxially tomentose, densest along veins, adaxially ± sericeous. Panicle 18-35 cm; bracts ovate; bracteoles 2, minute scales. Pedicel 4-5 mm. Flowers 4-7 mm. Sepals narrowly navicular, 1-2 mm, short connate basally, margin reddish sericeous or glabrous abaxially. Fruiting calyx clasping; sepals spatulate to linear-oblong, ± equal, 6-10 X 1.5-3 mm, sometimes ciliate. Corolla white, campanulate; limb 4-6 mm, entire. Stamens unequal, 2 (or 3) reaching throat; filaments pilose basally; anthers sagittate. Disc ringlike. Ovary conical. Stigma ellipsoid-globose, emarginate. Fruit tan to brownish, ellipsoid-ovoid, rarely obovoid, 6-8 ´ 4-5 mm, glabrous, apiculate. Seed brownish, ellipsoid, ca. 3 ´ 2 mm. Fl. Jul-Oct, fr. Nov.
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