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

IF 1 4区生物学 Q3 PLANT SCIENCES Phytotaxa Pub Date : 2024-08-08 DOI:10.11646/phytotaxa.662.2.4

Quan Ngoc Chu, CUONG HUU NGUYEN, Leonid V. Averyanov, Hai VO Dai, KHANG SINH NGUYEN, Tatyana V. Maisak, L. I. Krupkina

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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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Aspidistra tenuistyla and A. luteo-rubra (Asparagaceae, Convallarioideae), a new tubuliflorous species from northern Vietnam (天南星科，长春花属)，来自越南北部的一个新管花物种

本研究确定了两个新种：Aspidistra tenuistyla 和 A. luteo-rubra （天门冬科，Convallarioideae）。第一个新种 Aspidistra tenuistyla 被描述为科学新物种。它是在巴贝国家公园（巴坎省）的低地石灰岩地区被发现的。本文提供了该物种的详细图解描述，以及关于其分布、生态和物候的数据。根据世界自然保护联盟（IUCN）红色名录的标准，A. tenuistyla 的保护状况估计为濒危（NT）。此外，还提出了 A. luteo-rubra 的物种等级，该植物早先被视为变种（A. lutea var.）它被发现于玉山-吴良自然保护区（和平省）的石灰岩地区。这两种植物都属于狭管状花类，与 A. lutea 的亲缘关系最为密切。此外，还对 A. tenuistyla、A. lutea 和 A. luteo-rubra 进行了详细的图解比较。所有这些物种都是越南北部石灰岩地区的特有种。

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来源期刊

Phytotaxa PLANT SCIENCES-

CiteScore

1.90

自引率

27.30%

发文量

956

审稿时长

1 months

期刊介绍： Phytotaxa is a peer-reviewed, international journal for rapid publication of high quality papers on any aspect of systematic and taxonomic botany, with a preference for large taxonomic works such as monographs, floras, revisions and evolutionary studies and descriptions of new taxa. Phytotaxa covers all groups covered by the International Code of Nomenclature foralgae, fungi, and plants ICNafp (fungi, lichens, algae, diatoms, mosses, liverworts, hornworts, and vascular plants), both living and fossil. Phytotaxa was founded in 2009 as botanical sister journal to Zootaxa. It has a large editorial board, who are running this journal on a voluntary basis, and it is published by Magnolia Press (Auckland , New Zealand). It is also indexed by SCIE, JCR and Biosis. All types of taxonomic, floristic and phytogeographic papers are considered, including theoretical papers and methodology, systematics and phylogeny, monographs, revisions and reviews, catalogues, biographies and bibliographies, history of botanical explorations, identification guides, floras, analyses of characters, phylogenetic studies and phytogeography, descriptions of taxa, typification and nomenclatural papers. Monographs and other long manuscripts (of 60 printed pages or more) can be published as books, which will receive an ISBN number as well as being part of the Phytotaxa series.