Sterculia monosperma 苹婆
Sterculia monosperma (Chinese:苹婆 (Ping Po); Thai:เกาลัดไทย), also known as Chinese chestnut, Thai chestnut and seven sisters' fruit, and phoenix eye fruit, is a deciduous tropical nut-bearing tree of genus Sterculia.
Its origin is Southern China (Guangdong, Guangxi, Yunnan and ******), but it is now a common cultivated tree in Northern Thailand, Northern Vietnam, mountainous areas of Malaysia and Indonesia, as well as Northern Laos and Shan State in Burma.