淮南橘，淮北枳
huái​nán​jú​huái​běi​zhǐ

south of the Huai River is a tangerine, north is a trifoliate orange

淮南橘，淮北枳 huái​nán​jú​huái​běi​zhǐ
south of the Huai River is a tangerine, north is a trifoliate orange
an idiom meaning that the environment changes the nature of a person or thing, as the same species of plant might produce sweet fruit in the south but bitter fruit in the north

Cross-References

Same as