Papilionanthe teres is not a very easy plant to come by because of its spatial requirements that need to be met before it can bloom. Your best bet would be to contact a few of the smaller hawaiian nurseries who often have large cuttings of this plants stems available for sale. under the right conditions the cuttings will bloom in one to two years.
Hawaii Orchid Growers Association
This site has the names and phone numbers of most orchid nurseries in hawaii. You may call a few to locate one with what you want.