Pacific Island Ecosystems at Risk (PIER)

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Struchium sparganophorum
(L.) Kuntze, Asteraceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Ethulia sparganophora L; Sparganophoros sparganophora (L.) C. Jeffrey

Common name(s): [more details]

French: oreille-mouton

Spanish: yerba de faja

Habit:  herb

Description:  "Erect herbs, commonly 40-60 cm. tall, the stems simple or much branched, stout, terete, sparsely short-pilose or almost glabrous; leaves short-petiolate, the blades thin, mostly oblanceolate or elliptic, 5-12 cm. long, acuminate, attenuate to the base, conspicuously or obscurely and coarsely serrate, very sparsely and inconspicuously strigillose or glabrate, punctate on both surfaces; heads about 50-flowered; involucres 4-5 mm. high; phyllaries appressed, with broad, pale margins, abruptly contracted into a short, spinulose tip; achenes oblong, 1.5-2 mm. long, the crown whitish, about half as long as the achene"  (Nash & Williams, 1976; 24(12):18-19).

Habitat/ecology:  In Fiji, "a naturalized weed at elevations up to about 150 m on rocky shores of rivers, along roadsides, and in pastures, usually in damp places" (Smith, 1991; p. 259).  "Occasional on streamsides and other wet places in central Upolu" (Whistler, 1988; 12).  In Guatemala (native), "wet thickets or forest, often a weed in banana plantations, at or little above sea level"  (Nash & Williams, 1976; 24(12):18-19).

Propagation:  Seed

Native range:  "Tropical America and the West Indies, now adventive in tropical Africa, Indian Ocean islands, southeastern Asia, Malesia, and into the Pacific"  (Smith, 1991; p. 259).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Fiji
Fiji Islands
Ovalau Island introduced
invasive
Smith, Albert C. (1991) (p. 259)
Voucher cited: Smith 7394
Fiji
Fiji Islands
Vanua Levu Island introduced
invasive
Smith, Albert C. (1991) (p. 259)
Vouchers cited: DA 5766, DA 11531, Bierhorst F189
Fiji
Fiji Islands
Viti Levu Island introduced
invasive
Smith, Albert C. (1991) (p. 259)
Vouchers cited: Greenwood 1107, DA 7504, DA 10447, DA 14039
Samoa
Western Samoa Islands
Western Samoa Islands   Whistler, W. A. (1988) (p. 12)
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)
Guatemala (Republic of) native
Nash, Dorothy L./Williams, Louis O. (1976) (pp. 24(12):18-19)
Central America
Central America (Pacific rim)
Honduras (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)
Mexico
Mexico
Mexico (United Mexican States) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Singapore
Singapore
Singapore (Republic of) introduced
invasive
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 82)
Naturalised
South America (Pacific rim)
South America (Pacific rim)
Perú (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)


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

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This page was created on 20 AUG 2002 and was last updated on 15 JAN 2013.