1. Small fast-growing spiny deciduous Chinese orange tree bearing sweetly scented flowers and decorative but inedible fruit: used as a stock in grafting and for hedges
   "The trifoliata's thorny branches make an effective natural barrier";
   - trifoliate orange, wild orange, Poncirus trifoliata

Derived forms: trifoliatas

Type of: tree

Part of: genus Poncirus, Poncirus