Three new species of Syzygium Gaertn. (Myrtaceae) are described and illustrated for Indochina, two from Viêtnam and one from Cambodia. Syzygium quoctrianum W.K. Soh, H.V.Sam & J.Parn., sp. nov. and Syzygium samianum W.K. Soh & J.Parn., sp. nov. are from Khánh Hòa province, Viêtnam, and Syzygium veal W.K. Soh, H.V.Sam & J.Parn., sp. nov. was discovered in Phnom Samkos Wildlife Sanctuary, Cambodia.
Myrtaceae, Viêtnam, Cambodge, Khánh Hòa, Phnom Samkos Wildlife Sanctuary, Poilane, new species