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Issue: Vol. 609 No. 3: 24 Aug. 2023
Type: Article
Published: 2023-08-24
DOI: 10.11646/phytotaxa.609.3.4
Page range: 209-221
Abstract views: 167
PDF downloaded: 12

Three new taxa and two noteworthy species of Peliosanthes (Asparagaceae, Convallarioideae) from Laos and Vietnam

Komarov Botanical Institute of the Russian Academy of Sciences; Prof. Popov Str.; 2; 197376 St. Petersburg; Russia
Institute of Applied Technology; Thu Dau Mot University; No. 6; Tran Van On Street; Phu Hoa Ward; Thu Dau Mot City; Binh Duong Province; Vietnam
Hachioji-shi; Tokyo; 192-0352; Japan
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. Vietnam
Komarov Botanical Institute of the Russian Academy of Sciences; Prof. Popov Str.; 2; 197376 St. Petersburg; Russia
Monocots Annamite Range eastern Indochina flora plant diversity plant geography plant taxonomy

Abstract

Two new species, Peliosanthes annamensis and P. virescens from Dak Lak Province in southern Vietnam, are described and illustrated. The former is morphologically similar to P. crassicoronata, while the latter to P. argenteostriata. We also describe and illustrate one new variety, P. nivea var. acutiloba from Khammouane Province, central Laos. Peliosanthes divaricatanthera, formerly known from central Vietnam (Da Nang City) and SW China (Yunnan), was rediscovered in southern Vietnam (Dak Lak Province). Its illustrations and amended description based on new materials are provided. We also report P. micrantha, so far known from central and southernVietnam, as a new addition to the flora of Laos. Notes on their morphological and ecological aspects, taxonomic relationships to the respective congeners, and data on their habitats are provided as well.

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