The pole is also known as Qiu Ying. Annual or perennial herbs with 1-2 meters high. Root spindle shaped, fibrous root, or near stem base with adventitious roots. Stems glabrous or slightly pilose. Leaves two pinnate, deeply lobed, lobes linear or filiform linear. Head inflorescence single, 3-6 cm in diameter. Involucre bracts outer lanceolate or linear lanceolate, nearly leathery, pale green, with dark purple stripes. The lingual flowers are purple, pink or white; the tongue is oval oval oval shaped, 2-3 cm long, 1.2-1.8 cm wide and 3-5 blunt teeth; tubular flowers yellow, 6-8 mm long, short tube, upper cylindrical, and lanceolate lobes. Achenes dark purple, glabrous, upper end with long beak, 2-3 spines. The flowering period is 6-8 months, and the fruit period is 9-10 months.

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