Lagerstroemia loudonii A tree that can grow up to 30 m tall. It bears attractive bright to pale purple flowers. It is found growing naturally in Thailand. This Lagerstroemia loudonii was received by Singapore Botanic Gardens as a seed from F.N. (Frank Norman) Howes on 27 Feb 1928. The introduction notes say Sriracha, Siam, which was probably where he collected the seeds from. The estimated age of this tree in 2023 is about 95 years. Unique ID for Heritage Tree HT 2023-326 Singapore Botanic Gardens Lawn F Get Directions Heritage Tree Information Girth 2.8 m @ 1.3 m height Height 18 m