刚果(金)加丹加链藻属(苦苣苔科)五新种

IF 1.1 4区生物学 Q3 PLANT SCIENCES

Plant Ecology and Evolution Pub Date : 2021-06-24 DOI:10.5091/plecevo.2021.1824

E. Fischer, I. Darbyshire

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引用次数: 0

摘要

背景与目的——在刚果民主共和国(刚果民主共和国)为中部非洲植物的科治疗做准备时，描述了5个新的链霉属(苦苣苣科)。方法:采用标准植物标本室方法。关键结果:孔雀石链霉与压缩葡萄球菌和goetzei葡萄球菌有亲缘关系，而11月的bampsii葡萄球菌、11月的malaissei葡萄球菌、11月的salesianorum葡萄球菌和11月的schaijesii葡萄球菌与michelmorei葡萄球菌和solenanthus葡萄球菌有亲缘关系。讨论了新分类群与这些物种的差异，并给出了新分类群的分布图。提供了来自刚果民主共和国、卢旺达和布隆迪的所有已知无茎物种的识别密钥。对新种的保护状况进行了初步评价。上加丹加省所有分类群均受范围限制，评价结果如下:青花石斛:EN B1+2ab(iii)，斑竹石斛:CR B2ab(iii)，马养石斛:EN B1+2ab(iii)，沙养石斛:CR B2ab(iii)，沙养石斛:EN B2ab(iii)。malachiticola链霉菌主要生长在含金属的岩石上，而其他种类要么生长在廊道林中的附生植物(S. bampsii)，要么生长在廊道林中潮湿的岩石上。

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Five new species of Streptocarpus (Gesneriaceae) from Katanga, D.R. Congo

Background and aims – Five new species of Streptocarpus (Gesneriaceae) are described from D.R. Congo in connection with preparing the family treatment for the Flore d’Afrique centrale.Methods – Standard herbarium practices were applied.Key results – Streptocarpus malachiticola sp. nov. is related to S. compressus and S. goetzei while S. bampsii sp. nov., S. malaissei sp. nov., S. salesianorum sp. nov., and S. schaijesii sp. nov. are related to S. michelmorei and S. solenanthus. The differences with these species are discussed and distribution maps for the new taxa are presented. An identification key for all known acaulescent species from D.R. Congo, Rwanda, and Burundi is provided. The conservation status of new species is preliminarily assessed. All taxa are range-restricted in Upper Katanga and the assessments are as follows: S. malachiticola: EN B1+2ab(iii), S. bampsii: CR B2ab(iii), S. malaissei: EN B1+2ab(iii), S. salesianorum: CR B2ab(iii), and S. schaijesii: EN B2ab(iii). Streptocarpus malachiticola is found on metalliferous rocks while the remaining species are either epiphytes in gallery forests (S. bampsii) or occur on humid rocks in gallery forests.

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来源期刊

Plant Ecology and Evolution PLANT SCIENCES-

CiteScore

2.20

自引率

9.10%

发文量

审稿时长

>12 weeks

期刊介绍： Plant Ecology and Evolution is an international peer-reviewed journal devoted to ecology, phylogenetics and systematics of all ‘plant’ groups in the traditional sense (including algae, cyanobacteria, fungi, myxomycetes), also covering related fields. The journal is published by Meise Botanic Garden and the Royal Botanical Society of Belgium.