Aloina scindulosa M.J.Cano, J.A.Jiménez & M.T.Gallego (Pottiaceae), a new moss species from Argentina

IF 1.2 3区 生物学 Q3 PLANT SCIENCES
María J. Cano, J. A. Jiménez, Mónica Martínez, M. Gallego, Guillermo M. Suárez
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Abstract

ABSTRACT Introduction During field studies in Argentina, we collected a specimen of Aloina Kindb. that did not match any of the known species of the genus. Here we present our arguments for recognising this moss as a new species. Methods The morphology of the new taxon was compared with that of the species of Aloina presently recognised. In addition, most of the type material of the taxa attributed to this genus in the world has been studied. Key results and conclusions Aloina scindulosa M.J.Cano, J.A.Jiménez & M.T.Gallego is described and illustrated as a new moss species from four localities in the Monte Desert area of Argentina. It is distinct from all other members of the genus in the combination of its lingulate leaves with unbordered margins, rectangular and slightly sheathing leaf bases, leaves ending in a long, hyaline, papillose hair-point near the leaf apex, the costa scarcely differentiated, in cross-section with no stereids, and the upper and middle laminal cells and costal surface dorsally prorate in the upper midleaf. Possible confusion with other species of the genus is discussed. A key to the South American species of Aloina is provided.
阿根廷一新苔藓植物:Aloina scindulosa M.J.Cano,J.A.Jiménez&M.T.Gallego(Pottiaceae)
摘要简介在阿根廷的野外考察中,我们采集了一个金合欢的标本。与该属任何已知物种都不匹配。在这里,我们提出我们的论点,承认这种苔藓是一个新物种。方法将新分类单元的形态与目前已知的Aloina属进行比较。此外,世界上属于该属的分类群的大部分类型材料都已被研究。主要结果和结论Aloina scindulosa M.J.Cano、J.A.Jiménez和M.T.Gallego被描述和说明为来自阿根廷蒙特沙漠地区四个地区的一种新苔藓物种。它与该属所有其他成员的不同之处在于其舌状叶的组合,边缘无缘,叶基部矩形且略具鞘,叶末端在靠近叶尖的一个长的透明的乳头状毛点,肋部几乎没有分化,横截面上没有stereids,上层和中层细胞以及肋表面在中上叶背侧按比例分布。讨论了可能与该属其他物种混淆的问题。提供了南美洲Aloina物种的一个钥匙。
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来源期刊
Journal of Bryology
Journal of Bryology 生物-植物科学
CiteScore
4.50
自引率
31.60%
发文量
20
审稿时长
3 months
期刊介绍: Journal of Bryology exists to promote the scientific study of bryophytes (mosses, peat-mosses, liverworts and hornworts) and to foster understanding of the wider aspects of bryology. Journal of Bryology is an international botanical periodical which publishes original research papers in cell biology, anatomy, development, genetics, physiology, chemistry, ecology, paleobotany, evolution, taxonomy, molecular systematics, applied biology, conservation, biomonitoring and biogeography of bryophytes, and also significant new check-lists and descriptive floras of poorly known regions and studies on the role of bryophytes in human affairs, and the lives of notable bryologists.
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