Five new species of Didymocarpus (Gesneriaceae) from Thailand

Five new species of Didymocarpus are described from Thailand: Didymocarpus brevicalyx Nangngam & D.J.Middleton, Didymocarpus formosus Nangngam & D.J.Middleton, Didymocarpus kasinii Nangngam & D.J.Middleton, Didymocarpus pauciflorus Nangngam & D.J.Middleton and Didymocarpus tribounii Nangngam & D.J.Middleton. Full descriptions, distributions, ecology, phenology and colour plates are provided for all taxa.