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首页> 外文期刊>Caldasia >Taxonomy, distribution, and conservation status of Geonoma Willd. (Arecaceae, Arecoideae): new records for the Maranh?o state, Brazil
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Taxonomy, distribution, and conservation status of Geonoma Willd. (Arecaceae, Arecoideae): new records for the Maranh?o state, Brazil

机译：地质威尔德的分类，分布和保护地位。 （Arecaceae，Arecoideae）：巴西州的新纪录？

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摘要

Geonoma is one of the more diverse genera of palms in the neotropical region, which comprises 68 species distributed from southern Mexico to south-western Brazil. In Maranh?o, a Brazilian state located in a transition area between the Eastern Amazon, the Cerrado, and the Caatinga, the knowledge about this genus still is deficient. For this reason, we elaborated a taxonomic study of the genus Geonoma for the state, based on the descriptive analysis of voucher specimens of national and international herbaria, and specimens collected in our expeditions. A total of five species were identified: G. baculifera (Poit.) Kunth and G. leptospadix Trail species were previously cited in the literature, whereas G. maxima (Poit.) Kunth subsp. maxima, G. pohliana subsp. weddelliana (H. Wendl.) A.J. Hend., and G. poiteauana Kunth are presented as new records. Taxonomic descriptions and distribution information are shared, as well as preliminary conservation status assessments of these species. Moreover, an identification key for all species in the state is also supplied. These findings extend the distribution and conservation knowledge of some Geonoma species, and are an important contribution to the identification of the taxa in the region.
机译：GeOnOna是新营地区域中较为多样化的棕榈树之一，其中包括从墨西哥南部到西南巴西的68种。在Maranh？o，巴西国家位于亚马逊东亚马逊，Cerrado和Caatinga之间的过渡区，关于这个属的知识仍然不足。因此，我们根据国家和国际植物豆蔻授权柱标本的描述性分析，详细说明了对国家属的分类学研究，并在我们的探险中收集的标本。鉴定了共有五种物种：G. Baculifera（Poit。）Kunth和G. Leptospadix Trail物种先前被引用在文献中，而G.Maxima（Poit。）Kunth Subsp。 Maxima，G. Pohliana Subsp。 Weddelliana（H. Wendl。）A.J.抱怨。和G.Poiteauana Kunth作为新记录呈现。分类描述和分销信息是共享的，以及这些物种的初步保护状态评估。此外，还提供了该状态中所有物种的识别键。这些发现扩展了某些地质物种的分布和保护知识，并对该地区的出纳群体识别出来的重要贡献。

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