| trifoliate orange | USDA PLANTS Symbol: POTR4 U.S. Nativity: Exotic Habit: Hardwood Trees Shrub or Subshrub |
| Poncirus trifoliata (L.) Raf. |
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Taxonomic Rank: Magnoliopsida: Sapindales: Rutaceae |
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| Synonym(s): hardy orange | |
| Native Range: Temp. Asia (GRIN); | |
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. |
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| Selected Images from Invasive.org | View All Images at Invasive.org |
 Foliage; James H. Miller, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
 Fruit(s); seeds James Johnson, Georgia Forestry Commission, Bugwood.org Additional Resolutions & Image Usage |
 Infestation; Right side has been mowed while the left side was untouched James Johnson, Georgia Forestry Commission, Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); Nancy Fraley, USDI National Park Service, Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); Nancy Fraley, USDI National Park Service, Bugwood.org Additional Resolutions & Image Usage |
 Infestation; Poncirus trifoliata has invaded into the edge of this pasture and is spreading. James Johnson, Georgia Forestry Commission, Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); Nancy Loewenstein, Auburn University, Bugwood.org Additional Resolutions & Image Usage |
 Stem(s); May Steve Manning, Invasive Plant Control, Bugwood.org Additional Resolutions & Image Usage |
 Flower(s); James H. Miller, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
 Flower(s); James H. Miller, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); in flower James H. Miller, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
 Fruit(s); James H. Miller, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
 Seedling(s); seedling and fruit in November James H. Miller, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
 Twig(s)/Shoot(s); John D. Byrd, Mississippi State University, Bugwood.org Additional Resolutions & Image Usage |
 Feature(s); fruits and thorns in August James H. Miller, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
 Fruit(s); John D. Byrd, Mississippi State University, Bugwood.org Additional Resolutions & Image Usage |
 Fruit(s); John D. Byrd, Mississippi State University, Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); James H. Miller, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); fruiting James H. Miller, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); James H. Miller, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
 Fruit(s); August James H. Miller, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
 Infestation; Nancy Fraley, USDI National Park Service, Bugwood.org Additional Resolutions & Image Usage |
 Stem(s); James H. Miller, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
 Fruit(s); November James H. Miller, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
| EDDMapS Distribution: This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org |
 State(s) Where Reported invasive. Based on state level agency and organization lists of invasive plants from WeedUS database. |
| U.S. National Parks where reported invasive: |
| Vicksburg National Military Park (Mississippi) |
