For hybrids with the trifoliate orange, see citrange. The citranges are a group of intergeneric sweet orange x trifoliate orange hybrids. Generally trifoliate orange rootstocks and their hybrids are susceptible. The citrange is a citrus hybrid of the sweet orange and the trifoliate orange. Both resulted from a hybrid between the trifoliate orange and the Washington navel orange. Poncirin can be extracted from trifoliate orange ("Poncirus trifoliata"). Trifoliate orange and various hybrids of this plant are widely used as citrus rootstocks. The trifoliate orange, Citrus trifoliata or Poncirus trifoliata, is a member of the family Rutaceae.