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Issue: Vol. 449 No. 2: 18 June 2020
Type: Article
Published: 2020-06-18
DOI: 10.11646/phytotaxa.449.2.5
Page range: 173–180
Abstract views: 23
PDF downloaded: 1

Tupistra nganii (Asparagaceae), a new species with greenish yellow flowers from northern Vietnam and southwestern China

Komarov Botanical Institute of the Russian Academy of Sciences, 2, Prof. Popov str., 197376 St. Petersburg, Russia.
Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet Road, Cau Giay, Hanoi, 100000, Vietnam.
Joint Russian-Vietnamese Tropical Scientific and Technological Center, Cau Giay, Hanoi, Vietnam. 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 Higher Plants, Biological Faculty, M.V. Lomonosov Moscow State University, 1, 12, Leninskie Gory, 119234 Moscow, Russia.
98-11, Otsuka, Hachioji, 192-0352 Tokyo, Japan.
Joint Russian-Vietnamese Tropical Scientific and Technological Center, Cau Giay, Hanoi, Vietnam. 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 Higher Plants, Biological Faculty, M.V. Lomonosov Moscow State University, 1, 12, Leninskie Gory, 119234 Moscow, Russia.
Komarov Botanical Institute of the Russian Academy of Sciences, 2, Prof. Popov str., 197376 St. Petersburg, Russia.
Center for Plant Conservation of Vietnam (CPC),Vietnam Union of Science and Technology Associations, 25/32 Lane 191, Lac Long Quan Rd., Hanoi, Vietnam.
Joint Russian-Vietnamese Tropical Scientific and Technological Center, Cau Giay, Hanoi, Vietnam.
Joint Russian-Vietnamese Tropical Scientific and Technological Center, Cau Giay, Hanoi, Vietnam.
Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet Road, Cau Giay, Hanoi, 100000, Vietnam.
conservation flora of China flora of Vietnam Ha Giang Province plant taxonomy plant diversity Tay Con Linh Nature Reserve Yunnan Province Monocots

Abstract

Tupistra nganii is described and illustrated as a new species from Ha Giang Province in northern Vietnam and Yunnan Province in southwestern China. The new species is most similar to T. muricata from Thailand and Laos, from which it differs by the greenish white or yellow perianth and longer exserted stamens. Additionally, Tupistra longispica is reinstated on the basis of new morphological evidences.