Burke: Artemisia annua vs. Artemisia vulgaris

	Artemisia annua	Artemisia vulgaris
	sweet Annie, sweet sagewort, annual wormwood	mugwort, lobed wormwood
Habit	Sweet-scented, glabrous, tap-rooted annual 0.3-3 m. tall.	Aromatic, perennial herb, 0.5-1.5 m. tall, simple or branched above, glabrous below the inflorescence.
Leaves	Leaves 2-10 cm. long, twice or thrice pinnatifid, the ultimate segments linear or lanceolate.	Leaves glabrous and green above, densely white-woolly beneath, obovate or ovate in outline, 5-10 cm. long and 3-7 cm. wide; principle leaves cleft nearly to the mid-rib into acute, unequal segments, which are again toothed or cleft, usually with one or two stipule-like lobes at the base.
Flowers	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,	Inflorescence ample and leafy; involucre 3.5-4.5 mm. high, somewhat woolly; heads discoid, the flowers all fertile, the outer pistillate, the inner perfect.
Fruits	Achene glabrous.	Achene.

	Artemisia annua	Artemisia vulgaris
Flowering time	August-October	August-October
Habitat	Roadsides, fields, ditches, wastelots, and other disturbed open places.	Roadsides, fields, ditches, wastelots, and other disturbed, open areas.
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. [WildflowerSearch map] [BONAP county map]	Occurring on both sides of the Cascades crest and in the Columbia River Gorge in Washington; Alaska to Oregon, east to Montana, east across Canada to the Great Lakes region and eastern North America. [WildflowerSearch map] [BONAP county map]
Origin	Introduced from Eurasia	Introduced from Eurasia
Conservation status	Not of concern	Not of concern
Sibling taxa	A. absinthium, A. arbuscula, A. biennis, A. campestris, A. cana, A. douglasiana, A. dracunculus, A. frigida, A. furcata, A. ludoviciana, A. michauxiana, A. norvegica, A. rigida, A. spiciformis, A. stelleriana, A. suksdorfii, A. tilesii, A. tridentata, A. tripartita, A. vulgaris	A. absinthium, A. annua, A. arbuscula, A. biennis, A. campestris, A. cana, A. douglasiana, A. dracunculus, A. frigida, A. furcata, A. ludoviciana, A. michauxiana, A. norvegica, A. rigida, A. spiciformis, A. stelleriana, A. suksdorfii, A. tilesii, A. tridentata, A. tripartita
Web links	Local floras: BC, CA, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: BC, OR, WA Local Web sites: Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Artemisia vulgaris

sweet Annie, sweet sagewort, annual wormwood

mugwort, lobed wormwood

Habit

Sweet-scented, glabrous, tap-rooted annual 0.3-3 m. tall.

Aromatic, perennial herb, 0.5-1.5 m. tall, simple or branched above, glabrous below the inflorescence.

Leaves

Leaves 2-10 cm. long, twice or thrice pinnatifid, the ultimate segments linear or lanceolate.

Leaves glabrous and green above, densely white-woolly beneath, obovate or ovate in outline, 5-10 cm. long and 3-7 cm. wide; principle leaves cleft nearly to the mid-rib into acute, unequal segments, which are again toothed or cleft, usually with one or two stipule-like lobes at the base.

Flowers

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,

Inflorescence ample and leafy;

involucre 3.5-4.5 mm. high, somewhat woolly;

heads discoid, the flowers all fertile, the outer pistillate, the inner perfect.

Fruits

Achene glabrous.

Achene.

Artemisia annua

Artemisia vulgaris

Flowering time

August-October

Habitat

Roadsides, fields, ditches, wastelots, and other disturbed open places.

Roadsides, fields, ditches, wastelots, and other disturbed, open areas.

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.

[WildflowerSearch map]

[BONAP county map]

Occurring on both sides of the Cascades crest and in the Columbia River Gorge in Washington; Alaska to Oregon, east to Montana, east across Canada to the Great Lakes region and eastern North America.

[WildflowerSearch map]

[BONAP county map]

Origin

Introduced from Eurasia

Conservation status

Not of concern

Sibling taxa