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Issue: Vol. 407 No. 1: 26 June 2019
Type: Article
Published: 2019-06-26
DOI: 10.11646/phytotaxa.407.1.12
Page range: 101–110
Abstract views: 38
PDF downloaded: 1

A new tuberous species of Begonia sect. Diploclinium endemic to Danxia landforms in central China

Shanghai Chenshan Plant Science Research Center, Chinese Academy of Sciences, 3888 Chenhua Road, Songjiang, Shanghai 201602, China Shanghai Key Laboratory for Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, 3888 Chenhua Road, Songjiang, Shanghai 201602, China
Shanghai Chenshan Plant Science Research Center, Chinese Academy of Sciences, 3888 Chenhua Road, Songjiang, Shanghai 201602, China Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
Central South China University of Forestry and Technology, Changsha 410004, China
Hunan Prospecting Designing and Research General Institute for Agriculture Forestry and Industry, Changsha 410007, China
School of Life Sciences, Hunan Normal University, Changsha 410006 China
Shanghai Chenshan Plant Science Research Center, Chinese Academy of Sciences, 3888 Chenhua Road, Songjiang, Shanghai 201602, China Shanghai Key Laboratory for Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, 3888 Chenhua Road, Songjiang, Shanghai 201602, China
Forest Resources Monitoring Center of Xiangxi Tujia and Miao Autonomous Prefecture, Jishou 416000, China
Shanghai Chenshan Plant Science Research Center, Chinese Academy of Sciences, 3888 Chenhua Road, Songjiang, Shanghai 201602, China Shanghai Key Laboratory for Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, 3888 Chenhua Road, Songjiang, Shanghai 201602, China
New taxon tuberous herb taxonomy population variation molecular evidence Begonia Eudicots

Abstract

Begonia danxiaensis, a new tuberous species of Begonia, is described and illustrated, and supported by morphological and molecular evidences. It belongs to Begonia sect. Diploclinium and is endemic to the Danxia landforms of both Jiangxi and Hunan provinces, China. The morphological similarity between the new species and its similar taxa were compared and discussed. The new species is assigned to Vulnerable (VU) according to the IUCN Red List Categories and Criteria.