Moonflower: Chiang Mai
(Ipomea alba )

Often called moonflower or moon vine, Ipomoea alba is only one of many different plants commonly called “Moonflower.” It is a species of morning glory native to the Americas but naturalized throughout the world. A perennial long-stemmed woody vine, moonflower produces fragrant white or pink flowers 8-14 cm (3-5.5 in) in diameter. They open in the evening and remain open until morning sunrise. Flowers that are previously unopened are broken at the stem and eaten cooked or fried and are said to help in digestion and with other stomach ailments. Flowers that have opened on previous nights are edible but not commonly eaten. Moonflowers grow vigorously. In some places it can be invasive.
 

A local Thai variety that produces hundreds of large white flowers.