TY -JOUR AU -Deden Girmansyah AU -Mark Hughes AU -Sulistijorini AU -Rugayah AU -Wisnu H. Ardi AU -Tatik Chikmawati TI -Six new species of Begonia (Sect. Jackia, Begoniaceae) from Sumatra, Indonesia PY -2022 DA -2022-01-14 JO -Taiwania VL -67 IS -1 SP -97 EP -109 UR -https://taiwania.ntu.edu.tw/abstract/1814 AB -Six new species of Begonia sect. Jackia from Sumatra are described and illustrated: B. araneumoides, B. batuphila, B. hijauvenia, B. mursalaensis, B. panjangfolia, and B. perunggufolia. All morphological characters and measurements were observed from living plants in the Bogor Botanical Gardens greenhouse or the wild. Using IUCN criteria, 4 species are considered to be Data Deficient, 1 Vulnerable, and 1 Least Concern. DO -10.6165/tai.2022.67.97