Stem solitary, erect, 25-40 cm tall, slender, 1.5-2 mm in diam. at base, proximally glabrous, distally brown pilose. Basal leaves long petiolate; petiole 3.5-13 cm, slender, glabrous, base sheathed; leaf blade ovate, 1.5-4 × 2-6 cm, glabrous, pinnately veined, subpinnatisect; lobes narrowly lanceolate, 1-3 cm × 1-4 mm, apex acuminate, mucronate. Middle stem leaves fewer, pinnatisect or linear. Capitulum solitary, nodding. Involucre hemispheric, 1.2-1.4 × 1.5-2 cm, outside glabrous; phyllaries 10-12, in 2 rows, oblong-lanceolate, 3-5 mm wide, margin brown membranous, apex acuminate, white ciliate. Ray florets yellow; lamina oblanceolate, 1.5-1.7 cm × 6-9 mm, apex truncate, 3-lobed. Tubular florets numerous, yellow, 7-9 mm; tube ca. 1 mm. Achenes (immature) ca. 3 mm. Pappus brown, 6-7 mm, slightly shorter than tubular corolla. Fl. and fr. Aug-Sep.
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