Didymocarpus dawnii is described from mountains in Perak. It is closely allied to D. calcareus, D. castaneifolius, D. tahanicus and D. venustus and for which a new section, Sect. Venustus, is erected. Didymocarpus pubiflorus is reduced to synonomy with D. venustus.
A new species and section of Didymocarpus (Gesneriaceae) from Belum and Temengor, Hulu Perak, Peninsular Malaysia
Publication: Malayan Nature Journal