ABSTRACT:

A review of the Schismatoglottis Patentinervia Clade is presented. Six species are accepted, of which three are pre-existing – Schismatoglottis patentinervia Engl. (Kalimantan Barat: Melawi), S. pectinervia A. Hay (NE Sarawak: Mulu; Brunei) and S. retinervia Furtado (Sabah: Kinabalu) – and three are taxonomic novelties: S. belonis S. Y. Wong, Aisahtul & P. C. Boyce (C Sarawak: N & C Kapit), S. gaesa S. Y. Wong, Aisahtul & P. C. Boyce (Kalimantan Utara: Malinau), and S. smaragdina S. Y. Wong, Aisahtul & P. C. Boyce (C Sarawak: N Kapit). Morphological delimitation of the Patentinervia Clade is provided, all species are described and illustrated from living plants and pre-existing species also figured from their nomenclatural Types. An identification key is offered.