John D. Byrd, Mississippi State University, Bugwood.org

Family: Rutaceae

Synonym(s): Poncirus trifoliata (L.) Raf.

Duration: Perennial

Habit: shrub

Listed by:
Invasive Plant Atlas of the US: 1
Federal Noxious Weed: 0
TDA Noxious Weed: 0
TPWD Prohibited Exotic Species: 0

Description: 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).

History:

Biology & Spread:

Ecological Threat: Trifoliate orange invades woodlands, forest edges, fence rows and urban green spaces.

US Habitat: woodlands, forest edges, fence rows and urban green spaces.

Distribution

US Nativity: Introduced

Native Origin:

US States: AL, AR, DE, FL, GA, LA, MD, MS, NC, OK, PA, SC, TN, TX, VA, WV

Resembles/Alternatives:

Management:

USE PESTICIDES WISELY: ALWAYS READ THE ENTIRE PESTICIDE LABEL CAREFULLY, FOLLOW ALL MIXING AND APPLICATION INSTRUCTIONS AND WEAR ALL RECOMMENDED PERSONAL PROTECTIVE GEAR AND CLOTHING. CONTACT YOUR STATE DEPARTMENT OF AGRICULTURE FOR ANY ADDITIONAL PESTICIDE USE REQUIREMENTS, RESTRICTIONS OR RECOMMENDATIONS. MENTION OF PESTICIDE PRODUCTS ON THIS WEB SITE DOES NOT CONSTITUTE ENDORSEMENT OF ANY MATERIAL.

Listing Source

Texas Department ofAgriculture Noxious Plant List
Texas Parks and Wildlife Department Prohibited Exotic Species
Invaders Program
Federal Noxious Weed
Union of Concerned Scientists
United States Forest Service Southern Research Station

Text References

Center for Invasive Species and Ecosystem Health Bugwood Network.

Data Source

Last Updated: 2009-01-29 by HTG