Rosanna, you wrote: >According to a plant book from Hong Kong they have a lot of >Nepenthes in the wild in Hong Kong
The only species of _Nepenthes_ to occur in China spontaneously
is (the widespread and quite boring) _N.mirabilis_. All other
species *must* be introductions from elsewhere. So better don't
trust your plant book too much!
Kind regards
Jan