Trichocereus Pachanoi OPO x OP Seeds from New Zealand. Was it named after the small town called Opononi on the north coast near Tauranga? or was it  OPO the friendly dolphin who was playful and entertained the children who lived on or near to the hokianga harbour. i think it was actually named after opotiki the town in the east of the bay of plenty in the north island.  Images courtesy of Ross Gurau. Excellent germination rate.