Perennials, to 1.2 m tall. Stems white-stellate hairy. Petiole of basal leaves 5-25 cm; leaf blade oblong-ovate, 20-30 X 4-12 cm, margin obtusely crenate, apex obtuse to acute. Petiole of lower stem leaves to 7 cm below, decreasing in size to subsessile upward; leaf blade oblong-lanceolate, 10-18 X 4-5 cm, abaxially densely pubescent, adaxially sparsely pilose to subglabrous and green, margin irregularly obtusely toothed. Panicles to 30 cm. Flowers 2-7-fascicled. Pedicel unequal in length, 1-15 mm, densely stellate pilose. Calyx 4-5 mm, densely stellate pilose; lobes lanceolate to ovate-lanceolate. Corolla yellow, 2-2.5 cm in diam., stellate pilose outside. Stamens 5; filaments with purple hairs; anthers reniform. Capsule ovoid, slightly longer than persistent calyx, densely stellate pilose. Fl. and fr. Jun-Aug.
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