Pacific Island Ecosystems at Risk (PIER)

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Zornia curvata
Mohlenbr., Fabaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

Spanish: encarrujada

Habit:  herb

Description:  "Herb, apparently annual, to about 40 cm tall, the stems glabrous; stipules striate, about 5 mm long, 1 mm wide, attenuate above point of insertion, acute below, sometimes glandular-punctate; leaves 2-foliolate, with petiole about 10-15 mm long; leaflets of lower leaves suborbicular to elliptic or ovate, about 5-22 mm long, 4-10 mm wide, obtuse to acute at apex and base, leaflets of upper leaves lanceolate, 10-22 mm long, 1-6 mm wide, acute at apex, rounded or acute at base, glabrous, glandular-punctate, especially along margin, secondary veins inconspicuous; inflorescences spicate, about 6-10 cm long, 3-8-flowered; bracts minute; bracteoles not overlapping, obliquely ovate, sometimes subfalcate, 6-10 mm long, 2-3 mm wide, 5-costate, glabrous, eciliate, sparingly punctate, acute at apex, lobe below point of attachment subacute, about 1 mm long; calyx about 2.5 mm long, hyaline, ciliate; petals yellow, glabrous, 6-8 mm long; fruit 5-7-jointed, exserted beyond bracteoles, articles 1.5-2 mm long, 1-1.5 mm wide, reticulate, puberulent and echinate with retrorsely barbed spines about 0.5 mm long; seeds light brown, suborbicular, about 1 mm broad, 0.5 mm thick"  (Wiggins & Porter, 1971; pp. 640-641).

Habitat/ecology:  (no habitat/ecology info known by PIER)

Propagation:  Seed

Native range:  Caribbean and possibly southeast Asia (Wiggins & Porter, 1971; pp. 640-641).

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)
San Cristóbal Group
San Cristóbal Island introduced
invasive
Charles Darwin Foundation (2008)
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Central America
Central America (Pacific rim)
Costa Rica (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Central America
Central America (Pacific rim)
Nicaragua (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Central America
Central America (Pacific rim)
Panama (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
South America (Pacific rim)
South America (Pacific rim)
Colombia native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
South America (Pacific rim)
South America (Pacific rim)
Ecuador (Republic of) (continental) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
South America (Pacific rim)
South America (Pacific rim)
Perú (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)

Control:  If you know of control methods for Zornia curvata, please let us know.


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

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This page was created on 28 JUN 2004 and was last updated on 27 OCT 2006.