无叶或有Pinnated Lobse叶的Manihot种（大戟科）简介1

IF 1.1 3区生物学 Q3 PLANT SCIENCES

Annals of the Missouri Botanical Garden Pub Date : 2020-06-23 DOI:10.3417/2020361

J. MENDOZA F., T. B. Cavalcanti

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引用次数: 0

摘要

摘要麻疯树属20种植物简介。具有非浅裂或羽状浅裂的叶。Rogers和Appan在该属的最新处理中将其中六个物种列入了Breviphenatae Pax部分。分子分析表明，这不是一个单系部分，尽管将其视为一个形态学上易于界定的类群是有用的。我们评估了之前包含在Breviphepharatae senso Rogers和Appan部分的物种，在必要时对名称进行典型化，并将该部分同义。明确了20个物种，并指定了6个选型。三个先前被列入同义词的物种，M.brachystachys Pax和K.Hoffm。，M.linearifolia Müll。Arg。，和M.mattogrossinsis Pax和K.Hoffm。，在这里复活了，而M.graminiformis M.Mend。&T.B.Cavalc。被描述为一个新物种。包括对最相似形态物种的识别关键和评论，以及每个物种的生态方面和分布。

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Synopsis of Manihot Species (Euphorbiaceae) with Non-Lobed or Pinnately Lobed Leaves1

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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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.