So my neighbor dropped off this fruit while I was out. What exactly is it? (Don't know why the pics are upside-down)
Welcome to the forums bbzor! It looks like The fruit from Hylocerus undatus Quote wiki...common name.. "A pitaya /pɨˈtaɪ.ə/ or pitahaya /ˌpɪtəˈhaɪ.ə/ is the fruit of several cactus species. "Pitaya" usually refers to fruit of the genus Stenocereus, while "Pitahaya" or "Dragonfruit" always refers to fruit of the genus Hylocereus." https://www.google.co.uk/search?q=H...shQfhk4CgCw&ved=0CAkQ_AUoAQ&biw=1920&bih=1018 http://commons.wikimedia.org/wiki/File:Hylocereus_undatus_red_pitahaya.jpg http://en.wikipedia.org/wiki/Hylocereus_undatus