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Issue: Vol. 662 No. 2: 8 Aug. 2024
Type: Article
Published: 2024-08-08
DOI: 10.11646/phytotaxa.662.2.4
Page range: 161-169
Abstract views: 19
PDF downloaded: 3

Aspidistra tenuistyla and A. luteo-rubra (Asparagaceae, Convallarioideae), a new tubuliflorous species from northern Vietnam

The Viet Nam CITES Management Authority, Ba Vi, Hanoi, Vietnam
Vietnam National University of Forestry, Xuan Mai, Chuong My, Ha Noi, Vietnam
Komarov Botanical Institute Russian, Academy of Sciences, Prof. Popov str., 2, St. Petersburg, 197022, Russia
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LEONID V. AVERYANOV

 

 

Vietnamese Academy of Forest Sciences, 46 Ton Duc Thang Street, Bac Tu Liem, Hanoi, Vietnam
Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 10072, Vietnam, Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 10072, Vietnam
Komarov Botanical Institute Russian, Academy of Sciences, Prof. Popov str., 2, St. Petersburg, 197022, Russia
Komarov Botanical Institute Russian, Academy of Sciences, Prof. Popov str., 2, St. Petersburg, 197022, Russia
Ba Be National Park limestone flora nature conservation new nomenclature combination Ngoc Son – Ngo Luong Nature Reserve plant diversity plant endemism plant taxonomy Monocots

Abstract

This study establishes two new species, Aspidistra tenuistyla and A. luteo-rubra (Asparagaceae, Convallarioideae). The first one, Aspidistra tenuistyla, is described here as a new species for science. It was discovered in the lowland limestone area of Ba Be National Park (Bac Kan Province). A detailed illustrated description of this species, along with data on its distribution, ecology, and phenology, is provided. According to the criteria of the IUCN Red List, the conservation status of A. tenuistyla is estimated as Near Threatened (NT). Additionally, the species rank is proposed for A. luteo-rubra, the plant regarded earlier as a variety (A. lutea var. luteo-rubra). It was found in the limestone area of Ngoc Son-Ngo Luong Nature Reserve (Hoa Binh Province). Both plants belong to the group of species with narrowly tubular flowers and are most closely related to A. lutea. A detailed, illustrated comparison of A. tenuistyla, A. lutea, and A. luteo-rubra is additionally presented. All these species are endemic to the limestone regions of northern Vietnam.

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