Distribution: Occurring in scattered locations east of the Cascades crest and in the Columbia River Gorge in Washington; Washington to California, east across most of North America to the Atlantic Coast.
Habitat: Roadsides, fields, ditches, wastelots, and other disturbed open places.
Flowers: August-October
Origin: Introduced from Eurasia
Growth Duration: Annual
Conservation Status: Not of concern
Pollination: Wind
Sweet-scented, glabrous, tap-rooted annual 0.3-3 m. tall.
Leaves 2-10 cm. long, twice or thrice pinnatifid, the ultimate segments linear or lanceolate.
Inflorescence broad and open, the discoid heads loose, often nodding, borne on short peduncles; involucre glabrous, imbricate, 1-2 mm. high; flowers all fertile, the outer pistillate; pappus none,
Achene glabrous.
Publication: Sp. Pl. 2: 847. 1753.
PNW Herbaria: Specimen records of Artemisia annua in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Artemisia annua checklist entry.
OregonFlora: Artemisia annua information.
E-Flora BC: Artemisia annua atlas page.
CalPhotos: Artemisia annua photos.
USDA Plants: Artemisia annua information.
