Extrafloral nectaries of an Atlantic Forest conservation area in Southeastern Brazil

IF 0.9 4区 生物学 Q4 PLANT SCIENCES Acta Botanica Brasilica Pub Date : 2022-01-01 DOI:10.1590/0102-33062021abb0187
V. S. Miranda, Lucas Gütler Rodrigues, Sandrine C. Dutra, Tathiana G. Sobrinho, Anderson Alves‐Araújo
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Abstract

Although extrafloral nectaries (EFNs) are reported as extremely important to understand ecological interactions, the diversity of EFN-bearing plants remains underappreciated. In Brazil, studies are concentrated in Cerrado and extremely poorly known in other phytogeographic domains, such as Atlantic forest. Thus, this study provides one of the first checklists of angiosperms with EFNs in a protected area of the Brazilian Atlantic forest, bringing information about the richness, location of EFNs on the plant’s organs, as well as plant’s habit and conservation status. A total of 93 EFN-bearing species belonging to 61 genera and 29 families is reported, which corresponds to 16.5 % of the local flora. The vast majority has not been evaluated for their conservation status, and twenty species are endemic to the Brazilian Atlantic forest. Vines and trees are the predominant plant habits and EFNs are mostly found on leaves. More than half of the species (53.7 %) comprises new additions to the world list of EFN-bearing plants, including the first record in Dilleniaceae. Our findings show a large number of EFN-bearing plant species from a single and small protected area in the Brazilian Atlantic forest. It reinforces the lack of studies of this nature, where further investigations are strongly recommended.
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巴西东南部大西洋森林保护区的花外蜜腺
尽管花外蜜腺(EFNs)对了解生态相互作用非常重要,但其多样性仍未得到充分的重视。在巴西,研究集中在塞拉多,在其他植物地理学领域,如大西洋森林,所知甚少。因此,本研究提供了巴西大西洋森林保护区第一批具有efn的被子植物清单之一,提供了有关efn在植物器官上的丰富程度、位置以及植物习性和保护状况的信息。报告的efn属植物共有93种,隶属于29科61属,占当地植物区系的16.5%。绝大多数尚未对其保护状况进行评估,其中20种是巴西大西洋森林特有的。藤蔓和树木是主要的植物习性,efn主要在叶子上发现。超过一半的物种(53.7%)是新加入世界efn植物名录的,包括首次记录的Dilleniaceae。我们的研究结果表明,在巴西大西洋森林的一个单一的小保护区中,有大量的efn植物物种。它加强了这种性质研究的缺乏,强烈建议对此进行进一步调查。
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来源期刊
Acta Botanica Brasilica
Acta Botanica Brasilica PLANT SCIENCES-
CiteScore
2.30
自引率
9.10%
发文量
32
审稿时长
6-12 weeks
期刊介绍: Experimental, theoretical and applied papers on all aspects of plant (including algae) and fungi biology are welcome. The submitted manuscript or its essential content must not have been published previously or be under consideration for publication elsewhere. Contributions should be substantial, written in high-quality English and show general interest. We expect that the submitted manuscript presents a great novelty in Botany, and this should attract a wide audience. Considering this, case studies are only considered if the narrative and implications are provided to be of general interest. Thus, manuscripts that report aspects of local interest are discouraged unless the implications of the findings are wide-reaching. Manuscripts with agronomic subjects are expected to contain a substantial amount of basic plant biology. Please see below some details for specific area.
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