Plants grayish green. Stem erect, 30-110 cm tall, 2.5-5 mm in diam. at base, glabrous. Basal leaves petiolate; petiole to 35 cm, glabrous, base narrowly sheathed; leaf blade ovate, oblong, or elliptic, 6-25 × 4-12 cm, glabrous, pinnately veined, base cuneate, narrowed into a petiole, margin entire, apex obtuse. Middle to distal stem leaves sessile, oblong or ovate-lanceolate, erect, adnate, base semiamplexicaul. Synflorescences racemose, clustered, subcapitate, 2-4 cm, or proximally remote, to 16 cm; leaflike and supplementary bracts linear-subulate, less than 1 cm; peduncles 3-5 mm, slender. Capitula numerous. Involucre narrowly campanulate or cylindric, 8-12 × 4-5 mm, outside glabrous; phyllaries 5 or 6, in 2 rows, oblong, to 4 mm wide, apex obtuse or acute; inner phyllaries membranous at margin. Ray florets 1-4, yellow; lamina oblong, 1-1.2 cm × to 6 mm, apex rounded; tube ca. 6 mm. Tubular florets 5-10, 8-10 mm; tube 4-5 mm; limb base cuneate, narrowed. Achenes brown, cuneate-cylindric, 4-7 mm. Pappus reddish brown, as long as or shorter than tube of tubular corolla. Fl. and fr. Jun-Aug.
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