Stem solitary, erect, 5-30 cm tall, 1-2 mm in diam. at base, proximally glabrous, distally white arachnoid-puberulent, glabrescent. Basal leaves petiolate; petiole 1-7 cm, glabrous, base sheathed; leaf blade ovate-cordate, triangular-cordate, or ovate-lanceolate to lanceolate, 1.5-2.5 × 0.5-3 cm, glabrous, pinnately veined, base cordate, truncate, or cuneate, margin entire, regularly triangular-dentate, or distal margin entire, proximal margin dentate, apex acute. Middle to distal stem leaves sessile, linear-lanceolate to linear, margin entire. Capitulum solitary, nodding. Involucre broadly campanulate, 8-14 × 10-15 mm, outside pale brown puberulent or glabrous; phyllaries 12-14, in 2 rows, lanceolate or linear-lanceolate, 2-3 mm wide, apex acuminate; inner phyllaries broadly membranous at margin. Ray florets yellow; lamina linear, 1.5-2(-3.5) cm × 2-3 mm, apex acuminate, entire or denticulate; tube ca. 5 mm. Tubular florets numerous, yellow, 6-8 mm; tube 1.5-2 mm. Achenes brown, cylindric, ca. 5 mm. Pappus brown, as long as tubular corolla. Fl. and fr. Jul-Sep.
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