*Trifoliate-orange

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*Poncirus trifoliata
TRIFOLIATE-ORANGE
Rutaceae
China

Location: map coordinates E-30 (northwest corner of Price Building), N 39°11'14'' W 75°32'27''

Planting history: presently unknown.

Description:
  • deciduous shrub, or small tree
  • etymology: Poncirus from the French for a type of citron; trifoliata = 3-leaved (leaflets)
  • leaves compound, with 3 (rarely 5) leaflets; aromatic, when crushed
  • flowers white, fragrant, to ca 2" wide
  • twigs green, with many stout green thorns (1”-2” inches long); planted as hedges in the south
  • fruits resemble small hard oranges (also in citrus family; fruit is a hesperidium); too bitter to eat fresh, but used as marmalade and condiment

*Non-native species (not native to Delaware)

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