Artemisia verlotiorum

Erect perennial herb to c. 2 m high, dying back annually to rhizomatous rootstock; stems ribbed, tomentose when young. Leaves linear to ovate or suborbicular, 2–8 cm long, 3–30 mm wide, entire and sessile toward inflorescence, 2- or 3-pinnatisect and petiolate below, ultimate segments acute to acuminate, upper surface dark green and more or less glabrous, lower surface tomentose. Capitula in leafy panicles; involucral bracts unequal, lanceolate to ovate, 1–4 mm long, outer ones herbaceous, inner ones with broad scarious margins. Florets 10–25, yellow to reddish-brown; rudimentary florets minute, brownish. Cypselas 1–1.5 mm long, c. smooth; pappus a small scarious ring or absent. Flowers Dec.–Jun.