Common names: Blue morning glory, Oceanblue morning glory
Chinese names: 变色牵牛 bian se qian niu
Distribution: China, Indonesia, Japan, Malaysia, Myanmar, New Guinea, Pakistan, Philippines, Sri Lanka, Taiwan, Thailand; Pacific Islands, native of South America, now circumtropical as a cultivated and naturalized plant
Image locations: Chaiyaphum, Mae Hong Son
Map info: Provinces are highlighted according to phytogeographical areas as used in the Flora of Thailand project.