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-of-Siam, king orange, 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)

Control:  If you know of control methods for Citrus nobilis, please let us know.