Artemisia vulgaris L.
Asteraceae (Aster family)
Clump-forming, rhizomatous perennial.
Alternate, deeply lobed and divided leaves are dark green above and silvery white below. Leaves emit a strong, sagelike odor.
Erect, clump-forming, smooth to slightly hairy stems have lengthwise ridges and become semiwoody with age. They are up to 6 feet tall.
Flowers and fruit
Inconspicuous flowers are produced in elongated, spikelike clusters on the upper stems. The seed is enclosed in a single-seeded, brown, oblong fruit.
Persistent, prolific rhizomes and, rarely, seeds.