重新评估Croton教派。Clodora（大戟科）以亚马逊盆地为其主要多样性中心1

IF 1.1 3区生物学 Q3 PLANT SCIENCES

Annals of the Missouri Botanical Garden Pub Date : 2018-09-06 DOI:10.3417/2018131

R. Riina, P. Berry, R. S. Secco, Winfried Meier, M. B. Caruzo

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引用次数: 9

摘要

摘要对新热带大戟科植物的研究发现了数量惊人的Croton L.属新种。Cleodora（Klotzsch）Baill。，该属中研究较好的分支之一。在这里，我们描述了六个新物种，并对另外三个物种进行了重新分类，这些物种要么被放错了位置，要么在以前的研究中被视为具有未知系统发育亲和力的物种。这些新物种都来自南美洲，其中五种仅限于亚马逊地区。我们更新了Croton教派的最新分类修订。Clodora提供了一个新的分类单元列表和27个目前公认物种的识别密钥。16个物种分布在亚马逊流域的低地森林地区。我们的发现引起了人们对新热带地区的关注，尤其是亚马逊地区，那里的植物区系和物种地理范围的信息仍然不完整，即使是研究相对完善的植物群。

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Reassessment of Croton sect. Cleodora (Euphorbiaceae) Points to the Amazon Basin as Its Main Center of Diversity1

Abstract Ongoing studies of Neotropical Euphorbiaceae have uncovered a surprising number of new species belonging to Croton L. sect. Cleodora (Klotzsch) Baill., one of the better studied clades in the genus. Here we describe six new species and reclassify three others that were either misplaced to section or regarded as species of unknown phylogenetic affinity in previous studies. The new species are all from South America, and five of them are restricted to the Amazon region. We update the most recent taxonomic revision of Croton sect. Cleodora by providing a new taxon list and an identification key for the 27 currently recognized species. Sixteen species occur in lowland forested areas of the Amazon basin. Our finding calls attention to the Neotropics, and the Amazon region in particular, where information about the flora and species geographic ranges is still incomplete, even for relatively well-studied plant groups.

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来源期刊

Annals of the Missouri Botanical Garden 生物-植物科学

CiteScore

3.60

自引率

0.00%

发文量

期刊介绍： The Annals of the Missouri Botanical Garden is a quarterly international journal primarily devoted to systematic botany and evolutionary biology. We encourage submissions of original papers dealing with significant advances in the taxonomy, phylogeny, biogeography, paleobiology, and evolution of plants, and in conservation genetics and biology, restoration ecology, and ethnobiology, using morphological and/or molecular characters, field observations, and/or database information. We also welcome reviews and papers on conceptual issues and new methodologies in systematics. Important floristic works will also be considered. Symposium proceedings discussing a broader range of topical biological subjects are also published, typically once a year. All manuscripts are peer-reviewed by qualified and independent reviewers.