Description from Flora of China
Herbs, perennial, ± glabrous, with rhizomes. Stems well developed, erect, leafy. Basal and stem leaves linear-lanceolate, grasslike. Synflorescence laxly paniculiform to corymbiform, with few to many capitula. Capitula erect; peduncle wiry, few to some cm. Involucre cylindric. Phyllaries glabrous; outer phyllaries in several series, gradually longer centripetally, longest ca. 1/2 as long as inner ones; inner phyllaries ± linear-lanceolate, ± equal in length. Receptacle naked. Florets yellow. Achene blackish brown and straw-colored mottled, subcylindric to weakly angular, with 5 weak main ribs, secondary ribs indistinct, base attenuate, apex truncate. Pappus straw-colored, of scabrid brittle bristles.
About three species: E Asia; one species in China.
(Authors: Shi Zhu (石铸 Shih Chu); Norbert Kilian)