Oreocharis phuongii sp. nov. (A–J) A habitat B habit showing cymose inflorescence C adaxial leaf surface D abaxial leaf surface E–F structure of floral parts (two pairs of anther and filament indicated by a white arrow; shape of pistil indicated by a green arrow) G frontal view of opened flower showing backwards incurved upper lobes, glabrous inner surface of three lower lobes and a bilobed matured stigma longer than stamens (indicated by a blue arrow) H lateral view of opened flower I close-up of opened flower (in frontal view) J close-up of 2-paired stamens; O. longifolia (K–M) K habit L frontal view of opened flower showing brown to brownish-yellow inner surface of three lower lobes with dark-purple striations M lateral view of an opened flower. A–J photos by Do Van Truong K–M photos by Nicholas Turland.