来自菲律宾吕宋岛八打雁省的海棠新种(科。

IF 1 4区 生物学 Q3 PLANT SCIENCES
M. A. C. Bucay, D. Tandang, Rosario R. Rubite, Edison JALLORES JR., Kuo-Fang Chung
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引用次数: 0

摘要

Begonia tanauanensis 是 B. sect.Baryandra 中的一个新描述的特有种。形态学数据显示,该物种与吕宋岛东部的一个物种 B. chingipengii 相似,都具有淡粉色花朵、肉质绿色薄片和船形苞片。不过,B. tanauanensis 没有 B. chingipengii 正面突出的白色中脉和叶脉、叶缘上的纤毛、强龙骨状托叶以及背面和叶柄上的绒毛。据观察,这些植物的分布范围很窄,且严重支离破碎。不幸的是,这些观察到的种群还受到人类活动的影响以及附近塔尔火山活动的威胁。鉴于这些威胁,根据世界自然保护联盟(IUCN)红色名录的类别和标准,我们暂时将该物种评定为 "极度濒危"(CR)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A new Begonia species (sect. Baryandra, Begoniaceae) from Batangas Province, Luzon Island, Philippines
Begonia tanauanensis is a newly described endemic species in B. sect. Baryandra from Tanauan City, Batangas, southern Luzon, Philippines. Morphological data shows this species resembles B. chingipengii, a species from eastern Luzon as both species have light pink flowers, fleshy green lamina, and boat-shaped bracts. However, B. tanauanensis does not have the prominent white midrib and veins in the adaxial leaf surface, ciliate hairs on leaf margin, strongly keeled stipules and tomentose hairs on the abaxial leaf surface and petioles of B. chingipengii. The plants were observed to have a restricted and severely fragmented distribution. Unfortunately, these observed populations are also affected by human activities and threat of volcanic activity of the nearby Taal Volcano. Because of these threats, we provisionally assess the species as “Critically Endangered” (CR) following the IUCN Red List Categories and Criteria.
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来源期刊
Phytotaxa
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.
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