Mammea siamensis (Thai: สารภี, saraphi, สร้อยภี soiphi in Southern Thai)[1] is a species of flowering plant in the Calophyllaceae family. Its name in Vietnamese is Trau tráu.
It is an evergreen tree with fragrant yellow or white flowers, and a small oval fruit. It is found in Thailand and Laos where it is called "salapee";[2] and also in Vietnam and Cambodia.