The genus Colura (Dumort.) Dumort. sect. Glotta Grolle et R. L. Zhu in Thailand is studied based on herbarium specimens and especially on recent collections. The section is reported from Thailand for the first time. Two species are recognized, namely C. bisvoluta Herzog et Jovet-Ast and C. karstenii K. I. Goebel. Descriptions, illustrations, and a key to species are provided.