Pacific Island Ecosystems at Risk (PIER)

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Spartium junceum
L., Fabaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  High risk, score: 12 (Go to the risk assessment)

Common name(s): [more details]

English: genet, Spanish broom, weaver's broom

French: genêt d'Espagne

Spanish: retacchu, retama, retama de olor, retama macho

Habit:  shrub

Description:  "Shrubs up to 3 m tall; young stems green, flexible, cylindrical, longitudinally striate, compressible, medulllate, glabrous.  Leaves few, caducous, oblong-linear to lanceolate, 1-3 cm long, 0.2-0.5 cm wide, subsessile.  Flowers pedicellate, pedicels with a small caducous bract at base and 2 bracteoles at apex; corolla yellow, 20-25 mm long, anthers with a tuft of hairs at base.  Pods straight, linear, 4-10 cm long, 0.5-0.8 cm wide, pubescent when young.  Seeds 10-18, black, ellipsoid, transversely arranged, 5-7 mm long, 3-4 mm wide"  (Wagner et al., 1999; p. 707).

Habitat/ecology:  In Hawai‘i, "a locally escaped ornamental"  (Wagner et al., 1999; p. 707).

Propagation:  Seed

Native range:  "Mediterranean region and southwestern Europe" (Wagner et al., 1999; p. 707).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Ecuador (Galápagos Islands)
Isabela Group
Isabela Island introduced
cultivated
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Isabela Group
Volcán Sierra Negra, Isabela Island introduced
cultivated
Charles Darwin Foundation (2008)
State of Hawaii
Hawaiian Islands
Kaua‘i Island introduced
invasive
cultivated
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 707)
Naturalized at Kōke‘.
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
ILDIS Co-ordinating Centre (2013)
China
China
China (People's Republic of) introduced
ILDIS Co-ordinating Centre (2013)
Colombia
Colombia
Colombia (Republic of) introduced
ILDIS Co-ordinating Centre (2013)
Ecuador (Mainland)
Ecuador
Ecuador (Republic of) (continental) introduced
ILDIS Co-ordinating Centre (2013)
Guatemala
Guatemala
Guatemala (Republic of) introduced
ILDIS Co-ordinating Centre (2013)
Indonesia
Indonesia
Indonesia (Republic of) introduced
ILDIS Co-ordinating Centre (2013)
Mexico
Mexico
Mexico (United Mexican States) introduced
ILDIS Co-ordinating Centre (2013)
New Zealand
New Zealand
New Zealand (country) introduced
invasive
cultivated
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 677)
"Waste places and dry hillsides".
Perú
Perú
Perú (Republic of) introduced
ILDIS Co-ordinating Centre (2013)
Indian Ocean
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Mauritius
Mautitius Islands (Mauritius and Rodrigues)
Mauritius Island introduced
ILDIS Co-ordinating Centre (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
ILDIS Co-ordinating Centre (2013)

Control: 

Control information from the Bugwood Wiki.


Need more info? Have questions? Comments? Information to contribute? Contact PIER! (pier@hear.org)

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This page was created on 10 FEB 2005 and was last updated on 26 JUN 2009.