Thamarat PhutthaiTheerawat ThananthaisongKunanon DaonuraiPriwan SrisomSomran SuddeeMark HughesFaculty of Environment and Resource Studies, Mahidol UniversityNational Park, Wildlife and Plant Conservation Department, ThailandRoyal Botanic Garden Edinburgh2022-08-042022-08-042021-07-01Thai Forest Bulletin (Botany). Vol.49, No.2 (2021), 201-2052465423X049538432-s2.0-85117959021https://repository.li.mahidol.ac.th/handle/20.500.14594/75623Begonia sirindhorniana, a new species from South-Western Thailand is described and illustrated.Mahidol UniversityAgricultural and Biological SciencesArticleSCOPUS10.20531/tfb.2021.49.2.07