A new Begonia section Petermannia species, Begonia corazoniae Naive, discovered in the forest ecosystems of Davao Oriental, southeastern Mindanao, Philippines, is herein described and illustrated. It closely resembles B. rieckei, but is easily recognized by having paniculate inflorescences with prominently winged ovary and capsule. A comprehensive morphological description, geographic distribution, ecology, phenology and a discussion of similar species is provided. In addition, we assessed this species as ‘Endangered' (EN B1(iii) + 2(iii)) following the criteria of the IUCN.

Keywords: buffer zone, Davao Oriental, endangered, Philippine Begonia, tropical taxonomy

 Begonia corazoniae Naive

Mark Arcebal K. Naive, Milton Norman D. Medina and Jhonnel P. Villegas. 2024. Begonia corazoniae (Begoniaceae, section Petermannia), A New endemic Species from southeastern Mindanao, Philippines. Nordic Journal of Botany. DOI: doi.org/10.1111/njb.04641