Plants grayish green. Stem erect, to 50 cm tall, glabrous. Basal leaves petiolate; petiole to 25 cm, glabrous, middle to distal petioles broadly winged; leaf blade ovate to orbicular, to 28 × 23 cm, glabrous, pinnately veined, with conspicuous reticulate veins, base cordate, margin undulately dentate or entire, apex rounded. Middle to distal stem leaves lax, similar but smaller, sessile. Distalmost stem leaves bracteal. Capitula 1-9, often in corymb. Involucre blackish gray, campanulate, or cupular in fruit, 1-1.2 cm, outside glabrous; phyllaries spreading, leathery, below middle united, distally 3-5-lobed; lobes ovate or triangular, apex rounded, mucronate. Ray florets 6-13, yellow; lamina broadly elliptic, to 3 × 1.1 cm, apex entire or denticulate. Tubular ca. 1 cm; tube ca. 3 mm. Achenes brown, 6-10 mm. Pappus absent. Fl. and fr. Jul.
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