Native & Naturalized Plants of the Carolinas & Georgia


1136

Shrub; Tree
Perennial

Non-native: China
Documented growing wild in GA NC SC

Rare

Look for it in woodlands, thickets, and streambanks, esp in suburban areas, per Weakley's Flora

map
To see a detailed map, click here


INVASIVE

This plant is causing problems in natural areas outside its native range, according to authorities such as:

Alabama Invasive Plant Council, 2012
Georgia Exotic Pest Plant Council, 2006
SC Exotic Pest Plant Council, 2014
US Forest Service Southern Research Station

 

LEAVES:
Deciduous
Ternately compound
Alternate

FLOWER:
Spring
White
Radially symmetrical
4-7 sepals
5 petals

FRUIT:
Summer/Fall
Yellow
Berry (hesperidium)

 

TO LEARN MORE about this plant, look it up in a good book!



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Sapindales

WEAKLEY'S FLORA (11/30/12):
Citrus trifoliata   FAMILY Rutaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Poncirus trifoliata   FAMILY Rutaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 103-03-001:
Poncirus trifoliata   FAMILY Rutaceae

 

COMMON NAME:
Trifoliate Orange, Hardy Orange


Click or hover over the thumbnails to see larger pictures.

image of Citrus trifoliata

JK Marlow    jkm100331_010

March    Greenville County    SC

image of Citrus trifoliata

JK Marlow    jkm100402_132

April    Greenville County    SC

Showy clusters of flowers on previous year's branches, per A Field Guide for the Identification of Invasive Plants in Southern Forests.

image of Citrus trifoliata

JK Marlow    jkm100402_135

April    Greenville County    SC

image of Citrus trifoliata

JK Marlow    jkm100402_138

April    Greenville County    SC

image of Citrus trifoliata

JK Marlow    jkm100402_141

April    Greenville County    SC

image of Citrus trifoliata

JK Marlow    jkm100402_144

April    Greenville County    SC

image of Citrus trifoliata

James H. Miller, USDA Forest Service, Bugwood.org    bug_1539099

April?        

Flowers 1.5-2" across, w projecting stamens enclosing a yellow hairy stigma, per A Field Guide for the Identification of Invasive Plants in Southern Forests.

image of Citrus trifoliata

Ron Lance    rwl1136_a

September        

image of Citrus trifoliata

JK Marlow    jkm071025_009

October    Pickens County    SC

Clemson Forest

Seems to be made up almost entirely of "thorns" (actually, stipular spines), per Weakley's Flora.

image of Citrus trifoliata

JK Marlow    jkm071025_013

October    Pickens County    SC

Clemson Forest

Long pointed thorns (1-5 cm) and green branches, per Native Shrubs and Woody Vines of the Southeast.

image of Citrus trifoliata

JK Marlow    jkm091003_071

October    Greenville County    SC

image of Citrus trifoliata

JK Marlow    jkm091003_081

October    Greenville County    SC

Recognize it by its thorned branches, winged petioles, and 3 leaflets, per Trees of the Southeastern United States.

image of Citrus trifoliata

JK Marlow    jkm091004_028

October    Greenville County    SC

Fruit = hesperidium (fleshy berrylike fruit w tough rind, like lemon or orange)

image of Citrus trifoliata

James H. Miller, USDA Forest Service, Bugwood.org    bug_1539100

Month Unknown        

image of Citrus trifoliata

James H. Miller, USDA Forest Service, Bugwood.org    bug_5379609

Month Unknown        

image of Citrus trifoliata

Steve Manning, Invasive Plant Control, Bugwood.org    bug_5379618

Month Unknown        

Branches dark gray w lengthwise lighter stripes & intervening green stripes, per A Field Guide for the Identification of Invasive Plants in Southern Forests.

image of Citrus trifoliata

James Johnson, Georgia Forestry Commission, Bugwood.org    bug_5407098

Month Unknown