Poncirus trifoliata
n 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 [syn:
{trifoliate orange}, {trifoliata}, {wild orange}, {Poncirus
trifoliata}]
Citroncirus \Citroncirus\ n.
a cross between {Citrus sinensis} and {Poncirus trifoliata}.
Syn: genus {Citroncirus}.
[WordNet 1.5]