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Issue: Vol. 407 No. 1: 26 June 2019
Type: Article
Published: 2019-06-26
DOI: 10.11646/phytotaxa.407.1.10
Page range: 71–78
Abstract views: 54
PDF downloaded: 1

Two new peltate-leaved species of Begonia L. (Begoniaceae) from northern Vietnam

1 CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China 2 Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar 6 University of Chinese Academy of Sciences, Beijing 100049, China
1 CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China 2 Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar 5 Karst Conservation Initiative of Yunnan, Kunming 650201, Yunnan, China
1 CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China 2 Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar 6 University of Chinese Academy of Sciences, Beijing 100049, China
3 Center for Plant Conservation of Vietnam (CPC),Vietnam Union of Science and Technology Associations, 25/32 Lane 191, Lac Long Quan Rd., Hanoi, Vietnam
4 Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Hanoi, Vietnam
3 Center for Plant Conservation of Vietnam (CPC),Vietnam Union of Science and Technology Associations, 25/32 Lane 191, Lac Long Quan Rd., Hanoi, Vietnam
1 CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China 2 Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar 5 Karst Conservation Initiative of Yunnan, Kunming 650201, Yunnan, China
China Begonia sect. Coelocentrum endangered species karst region peltate leaf Vietnam Eudicots

Abstract

Two new species in Begonia sect. Coelocentrum, Begonia acutis, and B. remusatifolia, have been discovered in the karst regions of northern Vietnam, one of the richest habitats for Begonia. The differences of the two new species were compared with other peltate-leaved species in China and Vietnam, including B. cavaleriei, B. pulvinifera and B. wangii. According to IUCN Red List categories, B. acutis and B. remusatifolia were assigned to the Critically Endangered (CR) and the Endangered (EN) category, respectively.