TY -JOUR AU -Leonid V. Averyanov AU -Ba Vuong Truong AU -Van Canh Nguyen AU -Tatiana V. Maisak AU - Quang Diep Dinh AU -Maxim S. Nuraliev AU -Khang Sinh Nguyen AU -Van Tan Chu TI -New Orchids in the Flora of Vietnam Ⅲ (Collabieae, Malaxideae, Nervilieae and Orchideae) PY -2020 DA -2020-10-06 JO -Taiwania VL -65 IS -4 SP -478 EP -492 UR -https://taiwania.ntu.edu.tw/abstract/1712 AB -The paper presents new data on the orchid diversity in Vietnam obtained in 2016–2020. It contains descriptions of one genus (Apetalanthe) and two species new to science (Apetalanthe gracilis, Nervilia appressifolia), as well as one genus (Neottianthe) and four species (Calanthe tricarinata, Collabium yunnanense, Dendrobium praecinctum, Neottianthe secundiflora) new for the flora of Vietnam. Apetalanthe is particularly remarkable for the reduction of petals. The accepted name, synonyms, type, citations of relevant regional taxonomic publications, data on ecology, phenology and distribution, estimated IUCN Red List status, studied specimens, brief taxonomic notes, and illustrations are provided for each recorded species. DO -10.6165/tai.2020.65.478