Pacific Island Ecosystems at Risk (PIER)

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Chromolaena squalida
(DC.) R.M. King & H. Rob., Asteraceae
No images for this taxon

Present on Pacific Islands?  no

Primarily a threat at high elevations?  no

Other Latin names:  Eupatorium squalidum DC.

Habit:  shrub

Description:  "Herb or shrub 1-1.5 m tall; petioles 0.3-0.7 cm long; leaf blades (1-) 2-5 x 0.7-2.2 cm, elliptic, the lower surface pubescent and glandular; involucres 6-7 x 1.5-2 mm; corollas ca. 4.5 mm long; achenes ca. 3 mm long" (Berry et al., 1997; p. 249).

Habitat/ecology:  In Venezuela, "savannas, 100-500 m" (Berry et al., 1997; p. 249)

Propagation:  Seed

Native range:  Venezuela, Guyana, Suriname, Peru, Brazil, Bolivia (Berry et al., 1997; p. 249).


Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Australia (continental)
Queensland introduced
Waterhouse, B. M (2003) (pp. 482-483)
Subject of an eradication program.
South America (Pacific rim)
South America (Pacific rim)
Perú (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Cuzco, Huanuco, Junin, San Martin

Comments:  Apparently introduced to Queensland, Australia, as a contaminant of pasture seeds imported from Brazil (Waterhouse, 2003; p. 482-283).

Control:  If you know of control methods for Chromolaena squalida, please let us know.

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This page was created on 26 MAR 2005 and was last updated on 12 OCT 2006.