Begonia hypoleuca Y.H.Tan & H.B.Ding, sp. nov. A habitat B flowers (front view) C flowers (lateral view) D habit E inflorescence F leaves G tepals of staminate flower (back view) H stamens with peduncle I tepals of staminate flower (front view) J mature fruit with peduncle K mature fruit L–N serial cross sections of ovary. Photographed by H.B. Ding.

 
 
  Part of: Ding H-B, Maw MB, Yang B, Bouamanivong S, Tan Y-H (2020) An updated checklist of Begonia (Begoniaceae) in Laos, with two new species and five new records. In: Jin X-H, Xia N-H, Tan Y-H (Eds) Plant diversity of Southeast Asia-II. PhytoKeys 138: 187-201. https://doi.org/10.3897/phytokeys.138.46718