Pacific Island Ecosystems at Risk (PIER)

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Citrus nobilis
Loureiro, Rutaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

English: king orange, King-of-Siam, tangor

French: mandarinier king

Spanish: mandarina, tangor

Habit:  tree

Description:  "A small tree 4 to 5 or rarely to 6 meters high, the branches spreading or pendulous, the crown somewhat globose.  Leaves 11 cm long, with narrowly winged petiole.  Flowers...terminal, solitary or paired, 3.2 cm across, the stamens 20-27.  Fruit...compressed globose, about 9 cm across, the rind deep orange, rough, loose from the pulp, the segments 10 to 13, separating easily, medium sweet, slightly acid, the seeds about 10" (Walker, 1954; p. 140).

Habitat/ecology:  Widely cultivated.

Propagation:  Seed

Native range:  "Southern Japan to South China; known in cultivation only, but perhaps wild in the interior of China" (Walker, 1954; p. 140).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Ecuador (Galápagos Islands)
San Cristóbal Group
San Cristóbal Island introduced
cultivated
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santa Cruz Group
Santa Cruz Island introduced
cultivated
Charles Darwin Foundation (2008)
French Polynesia
Society Islands
Tetiaroa Atoll introduced
cultivated
Sachet, M.-H./Fosberg, F. R. (1983) (p. 64)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
cultivated
MacKee, H. S. (1994) (p. 125)
Vouchers cited: Nothis 12 (NOU), MacKee 38195
Philippines
Philippine Islands
Philippine Islands introduced
cultivated
Merrill, Elmer D. (1923) (pp. 344-345)


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

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This page was created on 21 JUN 2004 and was last updated on 28 JUN 2009.