Ruiz & Pav., Rosaceae |
Present on Pacific Islands? yes
Primarily a threat at high elevations? no
Common name(s): [more details]
Spanish: amor seco, bidibid, cadillo, pega-pega, proquín, soto, trun, zarzaparrilla |
Habit: herb
Description:
Genus: "Decumbent or ascending herbs, often suffrutescent at the base, with erect, usually scapelike flowering branches. Leaves unequally pinnate, the leaflets incised-serrate or divided. Stipules vaginate, adnate to the petiole. Stamens 1-10. Fruit usually tuberculate or aculeate, included in the persistent calyx.
Species: "Branches suberect, with old leaves below, 30 cm. high, the creeping, branching, ligneous stems becoming many decimeters long, the internodes 5-6 cm. long, more or less densely long-pubescent; leaflets mostly 9, rarely 11-13, oblong-lanceolate, acutish, glabrous above, long-appressed-gray-pilose beneath, at least on the nerves, mostly 2.5-3.5 cm. long, nearly 1 (-1.5) cm. wide, the lower ones greatly reduced; flowers capitate, perfect; stamens 3-4; fruit with 4 spines, the longer ones 6-7 mm. long, apically 4-5-glochidiate, the body of the fruit 5 mm. long, attenuate" (Macbride, 1938; 13(2/3):1116-1117)
Habitat/ecology: "In Chile this species grows in the following environmental conditions: Medium altitude up to the timber line; low altitude, interior valleys; coastal mountains, 500-2000 m; coastal areas, 0-500 m. Humid areas, with almost constant rainfall, short dry periods are possible (generally not longer than 1 month). Some shadow, some protection against direct sunlight, some shadow from vegetation, filtering about 20-40% of light; in shadow, steep slopes facing south or a vegetation cover which filters 40-80% of light" (Chileflora).
Propagation: Seed, which attaches to clothing, the fur of animals, etc.
Native range: Argentina, Chile, Ecuador, Peru, Venezuela (GRIN).
Presence:
Pacific | |||
Country/Terr./St. & Island group |
Location |
Cited status &
Cited as invasive & Cited as cultivated & Cited as aboriginal introduction? |
Reference &
Comments |
Chile (offshore islands)
Juan Fernández Islands |
Isla Más a Tierra (Robinson Crusoe Island) |
introduced
invasive |
Skottsberg, Carl (1953) (p. 219) |
Chile (offshore islands)
Juan Fernández Islands |
Isla Más a Tierra (Robinson Crusoe Island) |
introduced
invasive |
Atkinson, Rachel/Sawyer, John (2011) |
Chile (offshore islands)
Juan Fernández Islands |
Isla Más a Tierra (Robinson Crusoe Island) |
introduced
invasive |
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (pp. 460, 463, 550) |
Chile (offshore islands)
Juan Fernández Islands |
Isla Más Afuera (Alejandro Selkirk Island) |
introduced
|
Skottsberg, Carl (1953) (p. 219) |
Chile (offshore islands)
Juan Fernández Islands |
Isla Más Afuera (Alejandro Selkirk Island) |
introduced
invasive |
Atkinson, Rachel/Sawyer, John (2011) |
Chile (offshore islands)
Juan Fernández Islands |
Isla Más Afuera (Alejandro Selkirk Island) |
introduced
invasive |
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (pp. 460, 463, 550) |
Chile (offshore islands)
Juan Fernández Islands |
Isla Santa Clara |
introduced
invasive |
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (pp. 460, 463, 550)
Voucher cited: Danton I(5/317)1667 |
Pacific Rim | |||
Country/Terr./St. & Island group |
Location |
Cited status &
Cited as invasive & Cited as cultivated & Cited as aboriginal introduction? |
Reference &
Comments |
South America (Pacific rim)
South America (Pacific rim) |
Chile (Republic of) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
South America (Pacific rim)
South America (Pacific rim) |
Ecuador (Republic of) (continental) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
South America (Pacific rim)
South America (Pacific rim) |
Perú (Republic of) |
native
|
Macbride, J. Francis (1936) (p. 13(2/3):1117) |
Control: If you know of control methods for Acaena argentea, please let us know.