L., Ranunculaceae |
|
Present on Pacific Islands? yes
Primarily a threat at high elevations? no
Common name(s): [more details]
Chinese: fu zhi mao gen |
English: butter daisy, creeping buttercup, creeping crowfoot |
French: renoncule rampante |
Spanish: botón de oro rastrero, ranúnculo rastrero |
Habit: herb
Description: "Stoloniferous and rhizomatous perennial herbs; stems prostrate and rooting at least at the lower nodes or weakly erect, 1-9 dm long, sparsely to densely hirsute. Basal leaves ternately compound, leaflets broadly ovate, 1.5-8 cm long and wide, deeply lobed or divided and toothed, both surfaces sparsely to moderately appressed pubescent. Flowers few in cymes; receptacle broadly conical, very short, pubescent; sepals 5, green or purple-tinged, lanceolate, 5-8 mm long, spreading or erect; petals 5-7, yellow, obovate-cuneate, 5-13 mm long, base with a truncate nectary scale. Achenes 20-25 in a subglobose head, obovoid, 2.5-3 mm long, margined, the faces smooth, beak ca. 1 mm long, tapering from a broad base, recurved" (Wagner et al., 1999; p. 1090).
Habitat/ecology: "Forest, grassland, riparian habitats, freshwater wetlands. Where native,this plant grows in wet grassland, woods, marshes, streamsides, and dune slacks. It is a highly variable species in the native range. The plant spreads rapidly where competition is low and forms dense swards that eliminate native vegetation. Seedlings establish readily on bare ground. It is an important agricultural weed and also invades natural plant communities" (Weber, 2003; p. 354).
"Spreads rapidly in damp areas and drainage lines which are disturbed and nutrient-rich, displacing native plants" (Weeds of Blue Mountains bushland). In Hawaii, "naturalized in fields and pastures, sometimes in disturbed wet forest along streams, 600-1,460 m" (Wagner et al., 1999; p. 1090).
Propagation: Seed. "Creeping Buttercup is dispersed by the dumping of garden waste, and spreads by means of its stolons. Seeds are also dispersed by water, and in the feces of horses, cattle and birds" (Weeds of Blue Mountains bushland). "The plant has a large seed bank and seeds remain viable for several years" (Weber, 2003; p. 354).
Native range: Europe (Wagner et al., 1999; p. 1090).
Presence:
Pacific | |||
Country/Terr./St. & Island group |
Location |
Cited status &
Cited as invasive & Cited as cultivated & Cited as aboriginal introduction? |
Reference &
Comments |
Australia (Pacific offshore islands)
Norfolk Islands |
Norfolk Island |
introduced
invasive |
Orchard, Anthony E., ed. (1994) (p. 10)
"An introduced weed which thrives in damp soil". Voucher cited: W. Laing s.n. (CHR) |
State of Hawaii
Hawaiian Islands |
Hawaii (Big) Island |
introduced
invasive |
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1090) |
New Caledonia
New Caledonia Archipelago |
Île Grande Terre |
introduced
invasive |
MacKee, H. S. (1994) (p. 120)
Voucher cited: MacKee 41022 Spontané |
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) |
New South Wales |
introduced
invasive |
Harley, Barbara (2009) |
Australia
Australia (continental) |
Australia (continental) |
introduced
invasive |
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
China
China |
China (People's Republic of) |
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
"Meadows, moist places, by streams; 300-3300 m". |
|
China
China |
China (People's Republic of) | Hafliger, Toni J./Wolf, Matthias (1988) (p. 68) | |
Japan
Japan |
Japan | Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. (1979) (p. 304) | |
Japan
Japan |
Japan |
introduced
|
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 182) |
New Zealand
New Zealand |
New Zealand (country) |
introduced
invasive |
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 1023)
"Wet ground, waste places, pasture, ditches, roadsides, river banks, gardens". |
South America (Pacific rim)
South America (Pacific rim) |
Chile (Republic of) |
introduced
invasive |
Belov, Michail (2013) |
Indian Ocean | |||
Country/Terr./St. & Island group |
Location |
Cited status &
Cited as invasive & Cited as cultivated & Cited as aboriginal introduction? |
Reference &
Comments |
Mascarene Islands
Mascarene Islands (Mauritius, La Reunion, Rodrigues) |
Mascarene Islands |
introduced
invasive |
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
Control:
Physical: "Small patches may be removed manually, roots must be removed. Repeated cutting may reduce the plant's vigour".
Chemical: "Effective herbicides are 2,4-D or MCPA" (Weber, 2003; p. 354).