TY -JOUR AU -Daike Tian AU -Hongjing Wei AU -Cunzhong Huang AU -Lei Wu AU -Zhilin Chen AU -Zhiyou Guo AU -Xiaojun Sun AU -Songwei Wang AU -Qingmei Gao AU -Xin Li TI -Two new species of Begoniaceae from China mainland PY -2024 DA -2024-03-07 JO -Taiwania VL -69 IS -1 SP -89 EP -98 UR -https://taiwania.ntu.edu.tw/abstract/1981 AB -China has an exceptional diversity in Begonia, holding the second largest number of described species in this genus at the national level. Many new taxa need to be explored and described. This paper reports two new species, Begonia ruchengensis (B. sect. Reichenheimia) and B. auritalata (B. sect. Platycentrum), from Hunan province and Guizhou province, respectively. Besides the detailed morphology description, color illustrations, and line drawings, the diagnoses of these two species distinguished from their allied taxa are provided. Their conservation statuses are evaluated according to The Guidelines for Using the IUCN Red List Categories. DO -10.6165/tai.2024.69.89