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nounsmall fast-growing spiny deciduous Chinese orange tree bearing sweetly scented flowers and decorative but inedible fruit: used as a stock in grafting and for hedgestype of:
Definition that contains trifoliata
- citroncirus a cross between Citrus sinensis and Poncirus trifoliata
- genus citroncirus a cross between Citrus sinensis and Poncirus trifoliata