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Issue: Vol. 607 No. 1: 3 Aug. 2023
Type: Article
Published: 2023-08-03
DOI: 10.11646/phytotaxa.607.1.8
Page range: 95-104
Abstract views: 142
PDF downloaded: 10

Peliosanthes linearifolia (Asparagaceae), a new species with linear leaves from Vietnam

Department of Higher Plants, Biological Faculty, M.V. Lomonosov Moscow State University, 1, 12, Leninskie Gory, 119234 Moscow, Russia.
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, Nguyen 63 Van Huyen str., Cau Giay, 122000 Hanoi, Vietnam.
Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet Road, Cau Giay, Hanoi, Vietnam. Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet Road, Cau Giay, Hanoi, Vietnam.
The University of Danang - University of Science and Technology, 54, Nguyen Luong Bang str., Lien Chieu District, Danang City, Vietnam.
Vietnam National University of Forestry, Xuan Mai, Chuong My, Hanoi, Vietnam.
Joint Russian-Vietnamese Tropical Scientific and Technological Center, Nguyen 63 Van Huyen str., Cau Giay, 122000 Hanoi, Vietnam. A.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences, 33, Leninsky av., 119071 Moscow, Russia.
Joint Russian-Vietnamese Tropical Scientific and Technological Center, Nguyen 63 Van Huyen str., Cau Giay, 122000 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, Nguyen 63 Van Huyen str., Cau Giay, 122000 Hanoi, Vietnam.
Hachioji, Tokyo, 192-0352, Japan.
Department of Higher Plants, Biological Faculty, M.V. Lomonosov Moscow State University, 1, 12, Leninskie Gory, 119234 Moscow, Russia.
Eastern Indochina plant diversity plant taxonomy Tay Giang District Monocots

Abstract

Peliosanthes linearifolia, a new species of Asparagaceae, is described and illustrated. The species was discovered in 2022 in Quang Nam Province, southern Vietnam. Peliosanthes linearifolia is remarkable for its linear to narrowly lanceolate leaves that are less than 1.3 cm wide. Such leaves were previously known only in P. graminea. Based on the floral characters of the new species, we assign it to the Peliosanthes teta species group. Peliosanthes linearifolia differs from P. teta, P. graminea and the other species of the group in the following combination of morphological traits: stoloniform rhizome, flowers solitary in axils of all primary bracts of inflorescence (i.e. inflorescence is a raceme), violet flowers and prominently lobed apex of the androecial corona.

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