绿苞蒿 lü bao hao

Herbs, perennial, 80-200 cm tall, pubescent. Middle stem and upper leaves ± sessile; leaf blade elliptic-ovate or ovate, 6-12 × 4-10 cm, abaxially white tomentose, 1(or 2)-pinnatipartite; segments 1 or 2 pairs, 3-parite or entire; lobules or lobes linear-lanceolate, 45-80 × 4-6 mm, acuminate apically. Leaflike bracts linear-lanceolate. Synflorescence a broad panicle. Capitula shortly pedunculate. Involucre ovoid-campanulate, 1.5-2 mm in diam.; phyllaries sparsely arachnoid tomentose. Marginal female florets 3-8. Disk florets 8-15, bisexual. Achenes ellipsoid. Fl. and fr. Aug-Oct.

● Slopes, roadsides; low elevations. S Gansu, Hebei, Shanxi, Sichuan.