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Issue: Vol. 683 No. 1: 29 Jan. 2025
Type: Article
Published: 2025-01-29
DOI: 10.11646/phytotaxa.683.1.2
Page range: 9-17
Abstract views: 285
PDF downloaded: 208

Tetrastigma fruticosum, a new species of Vitaceae from limestone karst in central Laos

Kagoshima University Museum, Kagoshima University, 1-21-30, Korimoto, Kagoshima 890-0065, Japan
Faculty of Forest Science, National University of Laos, Dongdok Campus, Xaythany District, Vientiane Capital, Laos
Faculty of Environmental Sciences, National University of Laos, Dongdok Campus, Xaythany District, Vientiane Capital, Laos; Department of Biological Sciences, Graduate School of Science, Tokyo Metropolitan University, 1-1 Minamiosawa, Hachioji, Tokyo 192-0397, Japan
Association for Community Development (ACD), Salavan Province
Faculty of Forest Science, National University of Laos, Dongdok Campus, Xaythany District, Vientiane Capital, Laos
Kagoshima University Museum, Kagoshima University, 1-21-30, Korimoto, Kagoshima 890-0065, Japan
Makino Herbarium, Tokyo Metropolitan University, Tokyo, 192-0364, Japan
Cayratieae endemic Indochina phylogeny Southeast Asian flora Vitales Eudicots

Abstract

A new species of Tetrastigma, T. fruticosum (Vitaceae), from the limestone karst in Khammouane Province, central Laos, is described. The new species can be distinguished from the previously known species in the genus by a combination of its shrubby habit, absence of tendrils, pedately 5-foliolate leaves (rarely 4, 6, or 7-foliolate) with shallowly emarginated leaflet, and 1-seeded oblong-ellipsoid fruits. A description, photographs, vernacular name and preliminary conservation status are provided for it.

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How to Cite

Tagane, S., Souladeth, P., Phonepaseuth, P., Vongthavone, T., Kongxaisavath, D., Yamamoto, T. & Murakami, N. (2025) Tetrastigma fruticosum, a new species of Vitaceae from limestone karst in central Laos. Phytotaxa 683 (1): 9–17. https://doi.org/10.11646/phytotaxa.683.1.2