西藏兰科植物名录增补

The statistics of 15 new species and 77 newly recorded species of Orchidaceae in Tibet Autonomous Region in 2017-2022 showed that most of them (85.9%) were found in Medog County. Here, we investigated the wild orchid resources in Medog County in 2021. After critical survey of literatures and specimens, we have found that one newly recorded genus, viz. Cheirostylis Blume, and 10 new records of orchid species, viz. Bulbophyllum sinhoense Aver., Gastrodia putaoensis X. H. Jin, C. chinensis Rolfe, B. sasakii (Hayata) J. J. Verm., Schuit. & de Vogel, Dendrobium praecinctum Rchb. f., Cyrtosia falcomeri (Hook. f.) Aver., Oberonia rufilabris Lindl., Rhomboda tokioi (Fukuy.) Ormerod, Tainia dunnii Rolfe and Zeuxine agyokuana Fukuy. in Medog County. In addition, B. sinhoense and G. putaoensis were two newly recorded species in China. The description of morphological characteristics, the anatomic photos of newly recorded species, and also the differences with similar species for identification are provided based on the fresh plants and the latest literature. All the voucher specimens are preserved in the Herbarium of East China Normal University (HSNU).