{"title":"Synopsis of Manihot Species (Euphorbiaceae) with Non-Lobed or Pinnately Lobed Leaves1","authors":"J. MENDOZA F., T. B. Cavalcanti","doi":"10.3417/2020361","DOIUrl":null,"url":null,"abstract":"Abstract A synopsis of 20 species of Manihot Mill. with non-lobed or pinnately lobed leaves is presented. Six of these species were included in the section Brevipetiolatae Pax by Rogers and Appan in the latest treatment of the genus. Molecular analyses show this is not a monophyletic section, although it is useful as a practical matter to treat this as a morphologically readily delimited group. We evaluate the species previously included in section Brevipetiolatae sensu Rogers and Appan, typify names where necessary, and synonymize the section. Twenty species are clarified and six lectotypes are designated. Three species previously put into synonymy, M. brachystachys Pax & K. Hoffm., M. linearifolia Müll. Arg., and M. mattogrossensis Pax & K. Hoffm., are here resurrected, and M. graminiformis M. Mend. & T. B. Cavalc. is described as a new species. An identification key and comments on the most similar morphological species, as well as ecological aspects and distribution for each species, are included.","PeriodicalId":55510,"journal":{"name":"Annals of the Missouri Botanical Garden","volume":"105 1","pages":"145 - 162"},"PeriodicalIF":1.1000,"publicationDate":"2020-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Annals of the Missouri Botanical Garden","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.3417/2020361","RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"PLANT SCIENCES","Score":null,"Total":0}
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Abstract
Abstract A synopsis of 20 species of Manihot Mill. with non-lobed or pinnately lobed leaves is presented. Six of these species were included in the section Brevipetiolatae Pax by Rogers and Appan in the latest treatment of the genus. Molecular analyses show this is not a monophyletic section, although it is useful as a practical matter to treat this as a morphologically readily delimited group. We evaluate the species previously included in section Brevipetiolatae sensu Rogers and Appan, typify names where necessary, and synonymize the section. Twenty species are clarified and six lectotypes are designated. Three species previously put into synonymy, M. brachystachys Pax & K. Hoffm., M. linearifolia Müll. Arg., and M. mattogrossensis Pax & K. Hoffm., are here resurrected, and M. graminiformis M. Mend. & T. B. Cavalc. is described as a new species. An identification key and comments on the most similar morphological species, as well as ecological aspects and distribution for each species, are included.
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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.
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