彭错蒿 peng cuo hao

Herbs, perennial, 30-40 cm tall, puberulent. Lower stem leaves: petiole 1.5-2.5 cm; leaf blade ovate or oblong-ovate, 2-2.5 × 2-2.5 cm, puberulent or glabrescent, 2-pinnatisect; segments 2 pairs; lobules linear or linear-lanceolate, 3-4 × 1-1.5 mm, apex acute. Middle and upper stem leaves sessile; leaf blade ovate, 1- or 2-pinnatisect; segments 2 or 3 pairs, linear or linear-lanceolate, 3-4 × 2-2.5 mm, occasionally basal lobes lobulate; leaflike bracts 3-5-sect. Synflorescence a long, narrow panicle. Capitula closely spaced, shortly pedunculate or sessile. Involucre subglobose, 2-2.5(-3) mm in diam. Marginal female florets 3-8. Disk florets 7-15, male. Achenes obovoid. Fl. and fr. Aug-Oct.

● Roadsides; low to middle elevations. W Sichuan.