As for the plant, there's a fellow by the name of Don Winterstein affiliated with the OC chapter of the CA Rare Fruit Growers. Get in touch with him because he had one of the plants growing in his garden in Brea. He may still have it.

It's a member of the Solanaceae family and not terribly hard to grow once you get it started. It's just a question of having mother plants with good tasting fruit as there are no cultivars, just the straight species.