Begonia xuansonensis, a new orange-flowered species of Begoniaceae from northern Vietnam

Do, Truong Van, Shui, Yu-Min, Le, Phuc Van, Huynh, Hue Thu Thi, Kuznetsov, Andrey N., Kuznetsova, Svetlana P., Nuraliev, Maxim S. (2021): Begonia xuansonensis, a new orange-flowered species of Begoniaceae from northern Vietnam. Phytotaxa 510 (3): 251-262, DOI: 10.11646/phytotaxa.510.3.5, URL: http://dx.doi.org/10.11646/phytotaxa.510.3.