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Type: Article
Published: 2022-02-28
Page range: 213-227
Abstract views: 53
PDF downloaded: 2

The genus Parnassia in Vietnam, and a checklist of Vietnamese Celastraceae

Thu Dau Mot University, Thu Dau Mot, Binh Duong, Vietnam
Center for Terrestrial Biodiversity of the South China Sea, College of Ecology and Environment, Hainan University, Haikou, China.
Department of Higher Plants, Biological Faculty, M.V. Lomonosov Moscow State University, 1, 12, Leninskie Gory, 119234 Moscow, Russia; Joint Russian-Vietnamese Tropical Scientific and Technological Center, Cau Giay, Hanoi, Vietnam
Department of Silviculture Foundation and Forest Phytodiversity, Silviculture Research Institute, Vietnamese Academy of Forest Sciences, Hanoi, Vietnam
Centre for Resources, Environment and Climate Change, Vietnam Union of Science and Technology Associations, Hanoi, Vietnam
Department of Botany, Faculty of Science, Annamalai University, Tamil Nadu, India
Laboratory of Ecology and Environmental Management, Science and Technology Advanced Institute, Van Lang University, Ho Chi Minh City, Vietnam; Faculty of Technology, Van Lang University, Ho Chi Minh City, Vietnam
Celastrales flora Indochina Parnassia procul Parnassia wightiana Parnassiaceae plant taxonomy Eudicots

Abstract

We summarize the knowledge on taxonomy and distribution of the genus Parnassia in Vietnam. Two species of the genus are found in Vietnam. We report additional records of P. wightiana, which appears to inhabit the provinces Ha Giang and Yen Bai. We provide detailed morphological description of the Vietnamese populations of this species, and discuss their deviation from the known variation range of P. wightiana. We report for the first time the second species of Parnassia from Vietnam, and provisionally identify it as P. procul. Our discovery of this species in Lam Dong Province in southern Vietnam is the first record of the genus outside the northern highlands within the country. We illustrate both Vietnamese species of Parnassia with analytical photographs, and show their distribution on a map. Additionally, we present an updated checklist of the family Celastraceae in Vietnam, which reflects the most recent views on taxonomic boundaries of the family and its genera, and includes discoveries of the last years as well as some earlier reports absent in the previous works. In total, 17 genera and 93 species are accepted in the checklist.

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