A revision of the genus Gomphostemma (Lamiaceae) in Sabah

Summary. A taxonomic revision of the genus Gomphostemma Wall, ex Benth. in Sabah and Sarawak is presented. Three species, G. microcalyx Prain, G. javanicum (Blume) Benth., and G. curtisii Prain are recognised; one new species, G. hirsutum Walsingham, is described.