Besleria naquenensis (Beslerieae, Besleriaceae), A New Species from Serranía de Naquén, Guianía River Basin (Colombia)

Q4 Agricultural and Biological Sciences

Harvard Papers in Botany Pub Date : 2020-12-31 DOI:10.3100/hpib.v25iss2.2020.n8

Gerardo A. Aymard C., Henry Arellano-P., A. Lozano, M. C. Montilla, Albeiro Calero-Cayopare, Reinaldo A. Gómez-Yuvabe

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Abstract

Abstract. Besleria naquenensis is described and illustrated on the basis of a collection from the understory of seasonally flooded forests drained by black waters located in the lower “Río (Caño) Naquén,” northwestern base of “Serranía de Naquén,” upper Guainía River basin, Guainía Department, Colombia, and its relationships with related species are discussed. This new species shares features with three species (B. gibbosa, B. neblinae, and B. yatuana) of section Neobesleria subsection Axillares. Morphologically, it is closest to B. yatuana, but it differs in its leaves, inflorescences, calyx, and corolla. In addition, habitat information, a distribution map, and data of its conservation status are included. An identification key of 27 species of Besleria found in the Rio Negro basin (Brazil, Colombia, and Venezuela) and adjacent regions is also provided. This new species elevates to 66 the number of Besleria taxa for the flora of Colombia, the country with the highest diversity of the genus.

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摘要根据哥伦比亚瓜伊尼亚省瓜伊尼亚河流域上游“Río（Caño）Naquén”下游、“Serranía de Naquèn”西北部基地的黑色水域排放的季节性洪水森林下层的收集资料，描述和说明了纳奎嫩贝斯勒菌，并讨论了其与相关物种的关系。这一新物种与Axillares的Neobesleria分区的三个物种（B.gibbosa、B.neblinae和B.yatuana）有共同的特征。从形态上看，它最接近于B.yatuana，但在叶、花序、花萼和花冠方面有所不同。此外，还包括栖息地信息、分布图和保护状况数据。还提供了在Rio Negro盆地（巴西、哥伦比亚和委内瑞拉）及其邻近地区发现的27种Besleria的鉴定钥匙。这个新物种使哥伦比亚植物群的Besleria分类群数量增加到66个，哥伦比亚是该属多样性最高的国家。

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来源期刊

Harvard Papers in Botany Agricultural and Biological Sciences-Plant Science

CiteScore

1.10

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0.00%

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