Vietnam is one of the richest areas in the diversity of Begonia (Begoniaceae) in Mainland Southeast Asia with more than 90 recorded species. In this study, we recorded an additional species of Begonia for the flora of the country. The specimens of newly recorded species, Begonia wenshanensis . Hu ex . Wu & . Ku were collected from 2019 to 2021 in Phia Oac – Phia Den National Park of Cao Bang Province, and Hoang Lien National Park of Lao Cai Province. |