Pacific Island Ecosystems at Risk (PIER)

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Medicago arabica
(L.) Huds., Fabaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Medicago cordata Desr.; Medicago maculata Sibth.; Medicago polymorpha var. arabica L.

Common name(s): [more details]

Chinese: he ban mu xu

English: spotted bur medick, spotted bur-clover, spotted medic, spotted medick, spotted-leaf medic

French: luzerne d'Arabie, luzerne maculée

Japanese: montsuki-uma-goyashi

Spanish: trébol de carretilla, trébol de manchado

Habit:  herb

Description:  "Annual herbs, 40-65 cm. Stems decumbent or spreading, longitudinally ridged, sparsely hairy, hairs simple and multi-cellular-glandular. Stipules ovate-lanceolate, 5-12 mm, incised, with 6-8 deep lobes; petioles slender, 2-8 (-12) cm, 2-5 times as long as peduncle; leaflets usually with a dark colored patch at center, obcordate to broadly obovate, 7-25 (-30) x 14-32 mm, sparsely hairy abaxially, glabrous adaxially, base broadly cuneate, margin subentire or shallowly serrate, apex rounded or emarginate. Flowers (1 or) 2-5 (or 6) in axillary racemes; peduncles with a terminal cusp; bracts ca. 1 mm; pedicels longer than or equal to bracts. Corolla yellow, 5-6.5 mm; standard broadly obovate, retuse. Legume cylindric to globose, 5-7 mm, tightly coiled in 3-7 spirals, turning counterclockwise, 5-8 radial veins on coil face, spines 13-15 in each row. Seed yellowish brown, oblong-elliptic, 2.5-3.5 x 1.2-1.5 mm, smooth"  (Flora of China online).

Habitat/ecology:  In China, "rather moist stream banks, grasslands"  (Flora of China online).  In New Zealand, "waste places, thin pasture, lawns; locally common"  (Webb et al., 1988; p. 662).

Propagation:  Seed

Native range:  Canary Islands, northern Africa, Europe, western Asia; naturalized elsewhere (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 555)
Chile (offshore islands)
Juan Fernández Islands
Isla Más Afuera (Alejandro Selkirk Island) introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Más Afuera (Alejandro Selkirk Island) introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 555)
Chile (offshore islands)
Juan Fernández Islands
Morro Juanango introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 555)
New Zealand (offshore islands)
Kermadec Islands
Kermadec Islands introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 662)
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)
Australia (continental) introduced
invasive
National Herbarium of New South Wales (2013)
South Australia, Tasmania, Victoria, Western Australia
Naturalised
Australia
Australia (continental)
New South Wales introduced
invasive
National Herbarium of New South Wales (2013)
Naturalised
Australia
Australia (continental)
Queensland introduced
ILDIS Co-ordinating Centre (2013)
Canada (British Colombia)
Province of British Columbia
Canada (British Columbia) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
Chile (continental)
Chile
Chile (Republic of) introduced
U.S. Dept. Agr., Agr. Res. Serv. (2013)
China
China
China (People's Republic of) introduced
invasive
cultivated
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Cultivated, rather moist stream banks, grasslands. Fujian, Guang-dong, Guangxi, Hainan, Hunan, Jiangsu.
Japan
Japan
Japan (country) introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 185)
New Zealand
New Zealand
New Zealand (country) introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 662)
United States (west coast)
United States (west coast states)
USA (Oregon) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (west coast)
United States (west coast states)
USA (California) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (west coast)
United States (west coast states)
USA (Washington) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
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)


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This page was created on 12 FEB 2011 and was last updated on 20 MAY 2013.