Bhanubong BongcheewinIain DarbyshireVeena SatitpatipanPanida KongsawadworakulMahidol UniversityRoyal Botanic Gardens, Kew2020-01-272020-01-272019-02-08Phytotaxa. Vol.391, No.4 (2019), 253-26311793163117931552-s2.0-85064181893https://repository.li.mahidol.ac.th/handle/20.500.14594/49814© 2019 Magnolia Press. The taxonomy of Clinacanthus in Thailand is revised. Nomenclature, descriptions and a key to the species are provided. Clinacanthus nutans is lectotypified. Clinacanthus burmanni var. robinsoni from Vietnam is found to be distinct from both C. nutans and C. siamensis and is elevated to species status.Mahidol UniversityAgricultural and Biological SciencesArticleSCOPUS10.11646/phytotaxa.391.4.2