Pacific Island Ecosystems at Risk (PIER)

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Artemisia vulgaris
L., Asteraceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

Chamorro: yerba de Santa Maria

Chinese: bei ai

English: common wormwood, felonherb, green ginger, hiya, motherwort, mugweed, mugwort, sailor's tobacco

French: armoise, armoise commune, armoise vulgare, brède chinois, herbe de Saint Jean, marie therese

Japanese: yomogi

Satawalese: iarbwas

Spanish: artemisia, artimisa, hierba de San Juan

Habit:  herb

Description:  "Aromatic, rhizomatous perennial herbs 3-10 dm tall; stems 1 to several, unbranched to the inflorescence, nearly glabrous below the inflorescence but sparsely pubescent between narrow striations.  Leaves ovate to obovate in outline, 2.5-5 (-6) cm long, 2-3 cm wide, pinnatifid to bipinnatifid with unequal lobes that are rather broad and acute, upper surface dark green and nearly glabrous, lower surface densely white tomentose, narrowed at base, without a distinct petiole.  Heads in racemose panicles, amply leafy, with erect branches, each head 2.5-3.8 mm high, 2-2.5 mm wide; involucral bracts ovate, densely pubescent, the margins narrowly scarious; receptacle conical, glabrous; florets 8-12 per head, the outer ones pistillate and inner ones perfect, all fertile, tubular, 1-1.3 mm long.  Achenes dark brown to black, fusiform, 0.8-1 mm long, 0.1-0.3 mm wide, glabrous."  (Wagner et al., 1999; p. 265).

Habitat/ecology:  In Hawai‘i, "cultivated...and occasionally sparingly naturalized in disturbed areas"  (Wagner et al., 1999; p. 265).  In Fiji, "an infrequent roadside weed" (Smith, 1991; p. 312). On Christmas Island (Indian Ocean), naturalized on cliffs, roadsides and disturbed areas (Swarbrick, 1997; p. 104).  "It is in the disturbed soils of arable agriculture in humid and superhumid localities of Mauritius Island" (Holm et al., 1997; pp. 72-73).

Propagation:  Wind-borne seed (Swarbrick, 1997; p. 104) and underground rhizomes (Staples & Herbst, 2005; p. 154).

Native range:  Europe, northern Africa, western and central Asia; widely naturalized (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Agrigan (Agrihan) Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 282)
var. indica
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Agrigan (Agrihan) Island introduced
invasive
cultivated
Fosberg, F. R./Falanruw, M. V. C./Sachet, M.-H. (1975) (p. 42)
Voucher cited: Falanruw 2157 (US)
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Anatahan Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 282)
var. indica
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Anatahan Island introduced
invasive
cultivated
Fosberg, F. R./Falanruw, M. V. C./Sachet, M.-H. (1975) (p. 42)
Voucher cited: Falanruw 1638 (US)
Federated States of Micronesia
Yap Islands
Satawal Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 282)
var. indica
Federated States of Micronesia
Yap Islands
Satawal Island introduced
invasive
Fosberg, F. R. (1969) (p. 12)
Voucher cited: Fosberg 46861 (US)
One small patch.
Federated States of Micronesia
Yap Islands
Ulithi Atoll native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 282)
var. indica
Federated States of Micronesia
Yap Islands
Woleai Atoll native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 282)
var. indica
Fiji
Fiji Islands
Viti Levu Island introduced
invasive
Smith, Albert C. (1991) (p. 312)
Voucher cited: DA 17341
Guam
Guam Island
Guam Island introduced
cultivated
Stone, Benjamin C. (1970) (pp. 574-575)
Voucher cited: McGregor 423
Guam
Guam Island
Guam Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 282)
var. indica
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island introduced
invasive
cultivated
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 265)
Voucher cited: Kelly s.n. (BISH)
State of Hawaii
Hawaiian Islands
Kaua‘i Island introduced
invasive
cultivated
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 265)
State of Hawaii
Hawaiian Islands
Lāna‘i Island introduced
invasive
Oppenheimer, Hank (2008) (p. 24)
Voucher cited: Oppenheimer & Perlman H90701 (BISH, PTBG)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Wagner, Warren L./Herbst, Derral R. (1995) (p. 15)
East Maui. Voucher cited: Hobdy 2567 (BISH)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Oppenheimer, Hank L. (2004) (p. 9)
West Maui. Voucher cited: Oppenheimer, F. Duvall, & L. Nelson H30218 (BISH)
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
cultivated
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 265)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
invasive
MacKee, H. S. (1994) (p. 31)
Voucher cited: MacKee 41843
Spontané
Palau
Palau (Belau ) (main island group)
Babeldaob Island   Beleu National Museum (Republic of Palau. Koror.) (1982) (voucher ID: BNM 3175)
Taxon name on voucher: Artemisia vulgaris
Palau
Palau (Belau ) (main island group)
Palau Islands (main island group) native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 282)
var. indica
Philippines
Philippine Islands
Philippine Islands   Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 70)
Philippines
Philippine Islands
Philippine Islands introduced
invasive
cultivated
Merrill, Elmer D. (1923) (p. 616)
In and about towns at low and medium altitudes; often planted, frequently established, and certainly introduced.
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia
Australia (continental)
New South Wales   Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 70)
Australia
Australia (continental)
Queensland   Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 70)
China
China
China (People's Republic of) introduced
invasive
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Roadsides, slopes, canyons, forest margins, forest steppes, subalpine steppes; 1500-3800 m. W. Gansu, Qinghai, Shaanxi, W. Sichuan, Xinjiang, E. Xizang.
Indonesia
Indonesia
Indonesia (Republic of)   Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 70)
Japan
Japan
Japan (country)   Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 70)
South Korea
South Korea
South Korea (Republic of)   Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (pp. 70, 77)
Malaysia
Malaysia
Malaysia (country of)   Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 70)
Mexico
Mexico
Mexico (United Mexican States)   Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 70)
Singapore
Singapore
Singapore (Republic of) introduced
cultivated
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 16)
Cultivated only
Taiwan
Taiwan Island
Taiwan Island   Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 70)
Thailand
Thailand
Thailand (Kingdom of)   Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 70)
United States (west coast)
United States (west coast states)
USA (Oregon) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
Indian Ocean
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia (Indian Ocean offshore islands)
Christmas Island Group
Christmas Island introduced
invasive
Swarbrick, J. T. (1997) (p. 104)
La Réunion (France)
La Réunion Island
La Réunion Island   Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 79)
Maldives
Maldive Islands
Malè Atoll   Fosberg, F. R. (1957) (p. 35)
Mauritius
Mautitius Islands (Mauritius and Rodrigues)
Mauritius Island   Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (pp. 70, 72-73, 79)
Also reported from
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
United States (continental except west coast)
United States (other states)
United States (other states) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (continental except west coast)
United States (other states)
USA (Florida) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)

Control:  Identification and Control of Mugwort (Artemisia vulgaris L.) in Virginia


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This page was created on 22 MAR 2005 and was last updated on 11 JUL 2008.