Blumea sinuata (Lour.) Merr., Asteraceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Blumea laciniata (Roxb.) DC.; Conyza laciniata Roxb.; Gnaphalium sinuatum Lour.

Common name(s): [more details]

Chinese: liu er ling

English: cutleaf false oxtongue

Habit:  herb

Description:  "Malodorous herbs 2-18 dm tall from a taproot; stems erect to ascending, usually branched from the base, glabrate to pilose.  Leaves oblanceolate, obovate to elliptic in outline, sometimes lyrate, 4.5-36.5 cm long, 0.8-21 cm wide, the lower ones pinnately lobed, sometimes with a large terminal lobe, becoming progressively less lobed above, margins irregularly dentate, the lower ones petiolate, petioles 1-6 cm long, sessile above.  Heads in large, terminal, open panicles; involucral bracts often purple-tinged, reflexed at maturity, 1-8 mm long, pilose; receptacle sparsely pilose; corollas yellow, those of perfect florets 5-lobed, 4-5 mm long, those of marginal pistillate florets 2-3-lobed, 3.5-4.5 mm long.  Achenes brown, ribbed, ca. 4 mm long" (Wagner et al., 1999; p. 283).

Description from the Flora of China online.

Habitat/ecology:  In Hawai‘i, "sparingly naturalized usually in low elevation, disturbed sites" (Wagner et al., 1999; p. 283).

Propagation:  Seed

Native range:  "India to New Guinea and the Solomon Islands" (Wagner et al., 1999; p. 283).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Tinian Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 284)
Commonwealth of the Northern Mariana Islands (US) Saipan	Saipan Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 284)
Federated States of Micronesia Kosrae Island	Kosrae Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 284)
French Polynesia Society Islands	Bora Bora Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013) Adventice
French Polynesia Society Islands	Huahine Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013) Adventice
French Polynesia Society Islands	Moorea Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013) Adventice
French Polynesia Society Islands	Mopelia (Mapetia, Maupiha‘a, Maupihoa, Mopiha‘a) Atoll	introduced invasive	Sachet, M.-H. (1983) (p. 35) Voucher cited: Sachet 945a (US)
French Polynesia Society Islands	Raiatea (Havai) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013) Adventice
French Polynesia Society Islands	Taha‘a Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013) Adventice
French Polynesia Society Islands	Tahiti Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013) Adventice
Guam Guam Island	Guam Island	introduced	Stone, Benjamin C. (1970) (p. 588) As Blumea laciniata (Roxb.) DC.
Guam Guam Island	Guam Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 284)
State of Hawaii Hawaiian Islands	Hawai‘i (Big) Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 283) As Blumea laciniata (Roxb.) DC.
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 283) As Blumea laciniata (Roxb.) DC. Voucher cited: Degener 5286 (BISH)
New Guinea (Indonesia and Papua New Guinea) New Guinea Island	New Guinea Island	native	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 283)
Palau Palau (Belau ) (main island group)	Babeldaob Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 284)
Papua New Guinea Papua New Guinea (eastern New Guinea Island)	Papua New Guinea (eastern New Guinea Island)	native	Henty, E. E./Pritchard, G. H. (1975) (p. 65) Naturally occuring in grassland; widespread, at altitudes from 100 to 2000 m.
Philippines Philippine Islands	Philippine Islands	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Philippines Philippine Islands	Philippine Islands		Merrill, Elmer D. (1923) (pp. 602-603) At low and medium altitudes in open waste places.
Solomon Islands Solomon Islands	Solomon Islands	native	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 283)

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Cambodia Cambodia	Cambodia (Kingdom of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
China China	China (People's Republic of)	native	Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013) Waste fields, thickets; 200-1500 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Yunnan.
China China	Hong Kong	native	Wu, Te-lin (2001) (p. 276) As Blumea laciniata (Roxb.) DC. On margins of cultivated fields or grassy banks.
Indonesia Indonesia	Indonesia (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Taiwan Taiwan Island	Taiwan Island	native	Ching-I Peng, ed. (2013) As Blumea laciniata (Roxb.) DC. "Wastelands near sea level to 1,500 m throughout the island".
Thailand Thailand	Thailand (Kingdom of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Vietnam Vietnam	Vietnam (Socialist Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)

Control:  If you know of control methods for Blumea sinuata, please let us know.