东北牡蒿 dong bei mu hao

Artemisia japonica Thunberg var. manshurica Komarov, Fl. Manshur. 3: 625. 1907.

Herbs, perennial, 40-80(-100) cm tall, puberulent or glabrescent. Leaves on sterile branches spatulate or attenuate, 3-7 × 0.5-1.5 cm, apex obtuse, few cleft, or serrate. Lower leaves on fertile stems sessile; leaf blade obovate or obovate-spatulate, 5-partite, or serrate. Middle stem leaves sessile; leaf blade obovate or obovate-elliptic, 2.5-3.5 × 2-3 cm, pubescent or glabrescent, 1(or 2)-pinnati- or subpalmatisect or -partite; segments 1 or 2 pairs, narrowly spatulate or oblanceolate, 10-20 × 2-3 mm, 3-cleft or not. Uppermost leaves broadly attenuate or elliptic-obovate; leaflike bracts lanceolate or elliptic-lanceolate. Synflorescence a narrow panicle. Capitula shortly pedunculate. Involucre subglobose or broadly ovoid, 1.5-2 mm in diam. Marginal female florets 4-8. Disk florets 6-10, male. Achenes obovoid or ovoid. Fl. and fr. Aug-Oct. 2n = 36*.

● Slopes, forest margins, steppes, forest steppes, shrublands, roadsides, canyons; low elevations. N Hebei, S Heilongjiang, Jilin, Liaoning, Nei Mongol.