Begonia yenyeniae J.P.C.Tan, sp. nov. A Side and front view female flower B Back and front view of male flower C Stamen mass D Anthers E Habitat: moss-covered rocky slope by waterfall F Young fruit with stigma still attached G Transverse section of fruit H Seeds I Mature leaf J Upper leaf surface (moderately bullate) K Veins completely prominent on lower leaf surface L Petiole M Young blade N Stipules O–Q Upper, lower and side view of leaf margin R A pair of bracts and bracteole at peduncle and rachis; hairs scarcely on ventral surface of outer tepals. (Photographs by E Y.Y. Sam, D P.T. Ong)