Pacific Island Ecosystems at Risk (PIER)

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Chromolaena squalida
(DC.) R.M. King & H. Rob., Asteraceae
No image available for this species


Present on Pacific Islands?  no

Threat only at high elevations?  no

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).

Presence:

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)
Queensland introduced
invasive
Waterhouse, B. M (2003) (pp. 482-483)
Subject of an eradication program.

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

Additional information:  Additional online information about Chromolaena squalida is available from the Hawaiian Ecosystems at Risk project (HEAR).

Taxonomic information about Chromolaena squalida may be available from the Germplasm Resources Information Network (GRIN).

References:

Berry, Paul E./Holst, Bruce K./ Yatskievych, Kay. 1997. Flora of the Venezuelan Guayana, vol. 3: Aralaceae-Cactaceae. Missouri Botanical Garden Press, St. Louis. .

Waterhouse, B. M. 2003. Know your enemy: recent records of potentially serious weeds in northern Australia, Papua New Guinea and Papua (Indonesia). Telopea 10(1):477-485.


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

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