Solanum quitoense, known as naranjilla (Spanish pronunciation: [naɾaŋˈxiʎa], 'little orange') in Ecuador and Panama and as lulo ([ˈlulo], from Quechua) in Colombia, is a tropical perennial plant from northwestern Colombia. The specific name for this species of nightshade means 'from Quito.'The lulo plant is attractive, with large elongated heart- or oval-shaped leaves up to 45 cm in length. The leaves and stems of the plant are covered in short purple hairs. Naranjilla are delicate plants and must ...