Lamiaceae no Rio Grande do Norte: taxonomia e status de conservação
Lamiaceae, 236 genera and about 7,200 species distributed in seven subfamilies, has cosmopolitan distribution, with most of its species occurring in the tropical region of the planet. For Brazil, 524 species are listed in 46 genera, of which six genera and 343 species are endemic. In the state of Ri...
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| Formato: | Dissertação |
| Idioma: | por |
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Brasil
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| Endereço do item: | https://repositorio.ufrn.br/jspui/handle/123456789/23464 |
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| Resumo: | Lamiaceae, 236 genera and about 7,200 species distributed in seven subfamilies, has cosmopolitan distribution, with most of its species occurring in the tropical region of the planet. For Brazil, 524 species are listed in 46 genera, of which six genera and 343 species are endemic. In the state of Rio Grande do Norte (RN), they are cataloged of genera and 13 species, where only one genus and four species are endemic to Brazil. This dissertation is divided into two chapters, which are presented here as independent manuscripts already in the standards required for journals chosen for publication, whose norms are attached to this dissertation. The chapters are: Lamiaceae in Rio Grande do Norte, Brazil, where is the taxonomic and floristic treatment of the Lamiaceae family in the state of Rio Grande do Norte. In this study, 30 species were recorded, of which 14 are exotic, cultivated or cultivated, and 16 are native species. The species Hyptis brevipes Poit. e Vitex rufescens A.Juss. occur only in the Atlantic Forest domain, while Amasonia campestris (Aubl.) Moldenke, Eriope macrostachya Mart. Harley & J. F.B.Pastore, Mesosphaerum pectinatum (L.) Kuntze, Hyptis lantanifolia Poir., Mesosphaerum sp., Vitex gardneriana Schauer, Vitex schaueriana Moldenke, occur only in the Caatinga domain. The species Mesosphaerum suaveolens (L.) Kuntze and Marsypianthes chamaedrys (Vahl.) Kuntze were the ones that presented the largest distribution in the territory of the state. In the second chapter, New records, conservation assessments and distribution of Lamiaceae in Rio Grande do Norte, northeastern, Brazil, is presented the Status of conservation of the species of Lamiaceae and their distribution in the RN including the species and genera mentioned for the first time for the state. Among the native species, three were classified as 'Threatened', four as 'Vulnerable', three are 'Least Concern', two are 'Near Threatened' and four are 'Data Deficient'. The phytogeographical domain Caatinga, a Seasonally Dry Tropical Forest (SDTF), has the highest number of Lamiaceae species, although less than 1% of this region is protected by conservation units. This study reveals the worrying state of conservation of the Lamiaceae family in the NR and the need for conservation actions such as the creation of new conservation units to preserve the quality of the habitat and the remaining natural formations and to monitor populations in the wild. |
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