Inula helianthus-aquatilis C. Y. Wu subsp. hupehensis Y. Ling, Acta Phytotax. Sin. 10: 178. 1965.

Herbs, perennial. Rhizome prostrate. Stems 30-50 cm tall, densely pubescent above, glabrescent below. Leaves oblong-lanceolate to lanceolate, 6-10 × 1.5-2.5 cm; upper leaves sessile, abaxially yellow glandular, pubescent on veins, adaxially glabrous, base amplexicaul, margin sparsely serrulate, apex acuminate; lateral veins 7 or 8 pairs, abaxially prominent. Capitula solitary, 2.5-3.5 cm in diam. Involucre subglobose, 5-7 mm × 1-1.3 cm; phyllaries subequal in length, outer ones leaflike, linear-lanceolate, glandular, pubescent, inner linear-lanceolate, glabrous, margin membranous and ciliate. Ray florets yellow; lamina linear, ca. 15 mm, apex 3-dentate. Disk floret corollas ca. 3 mm, with lanceolate lobes. Achenes subcylindric, 10-striped, glabrous, apex truncate. Pappus white, of 5 or 6 bristles. Fl. Jun-Aug, fr. Aug-Sep.

● Grassy slopes, forests; 1300-1900 m. Hubei, Sichuan.