trifoliate orange

Sapindales > Rutaceae > Poncirus trifoliata (L.) Raf.
Synonym(s): hardy orange

Trifoliate orange is a deciduous shrub or small tree that grows from 8-30 ft. (2.4-9.1 m) in height. The leaves are alternate, compound (trifoliate), up to 2 in. (5.1 cm) long and have a winged petiole. The twigs are green with stout, 1 in. (2.5 cm) long thorns. The bark is conspicuously green-striped. Spring flowers are white, 5-petaled, 1-2 in. (2.5-5.1 cm) in diameter and showy. Fruit is a 1.5-2 in. (3.8-5.1 cm) diameter, dull yellow, sticky orange (berry). Trifoliate orange invades woodlands, forest edges, fence rows and urban green spaces.


Identification, Biology, Control and Management Resources


Selected Images from Invasive.org

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Foliage;
James H. Miller, USDA Forest Service, Bugwood.org
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Plant(s);
Nancy Fraley, USDI National Park Service, Bugwood.org
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Plant(s);
Nancy Loewenstein, Auburn University, Bugwood.org
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Plant(s);
Nancy Fraley, USDI National Park Service, Bugwood.org
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Stem(s);
James H. Miller, USDA Forest Service, Bugwood.org
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Flower(s);
James H. Miller, USDA Forest Service, Bugwood.org
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Stem(s); May
Steve Manning, Invasive Plant Control, Bugwood.org


Flower(s);
James H. Miller, USDA Forest Service, Bugwood.org
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Plant(s); in flower
James H. Miller, USDA Forest Service, Bugwood.org
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Seedling(s); seedling and fruit in November
James H. Miller, USDA Forest Service, Bugwood.org
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Fruit(s);
James H. Miller, USDA Forest Service, Bugwood.org
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Fruit(s); August
James H. Miller, USDA Forest Service, Bugwood.org
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Twig(s)/Shoot(s);
John D. Byrd, Mississippi State University, Bugwood.org
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Feature(s); fruits and thorns in August
James H. Miller, USDA Forest Service, Bugwood.org
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Fruit(s);
John D. Byrd, Mississippi State University, Bugwood.org
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Fruit(s);
John D. Byrd, Mississippi State University, Bugwood.org
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Fruit(s); November
James H. Miller, USDA Forest Service, Bugwood.org
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Plant(s);
James H. Miller, USDA Forest Service, Bugwood.org
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Plant(s); fruiting
James H. Miller, USDA Forest Service, Bugwood.org
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Plant(s);
James H. Miller, USDA Forest Service, Bugwood.org
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Infestation;
Nancy Fraley, USDI National Park Service, Bugwood.org
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Invasive Reference(s):

Check Invasive.org for most current lists.
  • Georgia - EPPC list
  • South Carolina - EPPC List
  • Mid-Atlantic - EPPC List


External Links


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USDA Forest Service Bugwood University of Georgia