Taiwania

One new species and one new record of Begonia from Xizang of China Southern Xizang harbors the highest diversity of plants in Xizang of China, and recently there have been many new species discovered in this region. Based on field surveys and review of literature and herbarial specimens, one new species (Begonia renqinbengensis D.K.Tian & W.G.Wang) and one new record (B. leptoptera Hara) of Begonia are diagnosed and reported in this paper. Also B. leptoptera is redescribed with illustrations. The conservation statuses of two species are assessed according to Guidelines for Using the IUCN Red List Categories and Criteria.

中国西藏南部地区蕴藏着中国西藏植物多样性之最，近期该地区发现了众多新物种。本研究基于野外考察、文献综述和标本室标本的审查，鉴定并报告了一种新物种（Begonia renqinbengensis D.K.Tian & W.G.Wang）及一种新记录（B. leptoptera Hara）的 Begonia。此外，对 B. leptoptera 进行了重新描述，并附有插图。根据《使用 IUCN 红色名录分类和标准指南》，对两种物种的保育状况进行了评估。