Scientific NamePoncirus trifoliata
Synonyms (former Scientific Names):
Trifoliate orange is a deciduous shrub armed with vicious spines and will survive temperatures as low as 20C. It grows in UK, producing small yellow and slightly furry oranges' due to the presence of a bitter oil called Ponciridin.
Leaves of trifoliate orange are trifoliately compound, alternate and deciduous. They have ovate to round leaflets and a green-winged rachis.
Trifoliate orange can be used as hedging material. It does not seem to mind being cut back. It is perfectly hardy weed plant.
Flower Seed Head
Flowers are in white clusters before the leaves in trifoliate orange.
Fruit is a yellow orange with a sticky skin. It is very bitter, but can be used in drinks.
Trifoliate orange is a shrub or a small tree that has naturalized in woodlands and fencerows in the southeastern U.S.
woody bush or tree
Thorns or Spines
Approximate Flower Diameter
Dominant Flower Color
shorter than leaf
Stem Cross Section
round or oval