Pacific Island Ecosystems at Risk (PIER)

  [   PIER species lists  ]   [   PIER home  ]

Ruta chalepensis
L., Rutaceae
Click on an image for links to BIGGER PICTURES


Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Ruta bracteosa DC.; Ruta chalepensis var. bracteosa (DC.) Boiss.

Common name(s): [more details]

English: fringed rue, rue

Spanish: ruda

Habit:  herb

Description:  "Plant glaucous, puberulent. Stem 4-8 dm. Leaf 2-3-pinnate, generally 10-20 cm, oblong in outline; segments generally 1-1.5 cm, narrowly elliptic, entire. Flower: petals 6-8 mm, yellow, margins inrolled, fringed. Fruit: lobes pointed" (Jepson Manual online).

Habitat/ecology:  "In Chile this species grows in the following environmental conditions:  Low altitude, interior valleys; coastal mountains, 500-2000 m; coastal areas, 0-500 m. Somewhat dry areas where the drought may last 3-5 months, precipitations of 400-800 mm. are concentrated in winter; dry, arid areas, with long drought periods of 6-10 months, precipitations of 100-300 mm. are concentrated in winter. Fully exposed to the sun, level areas or slopes facing north"  (Chileflora).  In California (U.S.), uncommon in disturbed places, < 500 m  (Jepson Manual online).

Propagation:  Seed

Native range:  Canary and Madeira Islands, northern Africa, Europe, western Asia (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
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) (p. 557)
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) (p. 557)
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Chile (continental)
Chile
Chile (Republic of) introduced
Belov, Michail (2013)
United States (west coast)
United States (west coast states)
USA (California) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
Also reported from
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
United States (continental except west coast)
United States (other states)
United States (other states) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
Puerto Rico, Texas


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

  [   PIER species lists  ]   [   PIER home  ]

This page was created on 14 FEB 2011 and was last updated on 25 MAR 2011.