东北丝裂蒿 dong bei si lie hao

Herbs, perennial, or subshrubs, 15-40 cm, branched apically, arachnoid pubescent or glabrescent. Lower stem leaves ± sessile; leaf blade (2 or)3-pinnatisect. Middle stem leaves: leaf blade ovate, 1.5-2.5(-3) × 1.5-2.5(-3) cm, 1- or 2-pinnatisect; segments 3 or 4 pairs; lobules filiform, 2-3 × 0.5-1 mm, apically acute; leaflike bracts subpalmatisect. Synflorescence a narrow panicle. Involucre subglobose, 2-3 mm in diam. Marginal female florets 9-12. Disk florets 35-45, bisexual. Achenes ellipsoid-ovoid. Fl. and fr. Jul-Oct.

Saline steppes, meadows, riverbanks, hills; low elevations. W Heilongjiang, E Nei Mongol [E Mongolia, E Russia].