Pacific Island Ecosystems at Risk (PIER)

  [   PIER species lists  ]   [   PIER home  ]

Struchium sparganophorum
(L.) Kuntze, Asteraceae
Click on an image for links to BIGGER PICTURES


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
Costa Rica
Costa Rica
Costa Rica (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Ecuador (Mainland)
Ecuador
Ecuador (Republic of) (continental) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Guatemala
Guatemala
Guatemala (Republic of) native
Nash, Dorothy L./Williams, Louis O. (1976) (pp. 24(12):18-19)
Honduras
Honduras
Honduras (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)
Nicaragua
Nicaragua
Nicaragua (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Panama
Panama
Panama (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Perú
Perú
Perú (Republic of) 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


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

  [   PIER species lists  ]   [   PIER home  ]

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