Rediscovery of Macrosamanea macrocalyx (Leguminosae: Mimosoideae), a threatened endemic species from the Middle Xingu River, Amazonia, Brazil

被引：2

作者：

da Silva E Silva, Wanderson Luis ^{[1
,2
]}

Batista Soares, Marcos Vinicius ^{[3
]}

Bonadeu, Francismeire ^{[4
]}

Morim, Marli Pires ^{[5
]}

Vieira Iganci, Joao Ricardo ^{[6
]}

Moreira dos Santos, Joao Ubiratan ^{[3
]}

机构：

[1] Programa Posgrad Bionorte, BR-1901 Belem, PA, Brazil

[2] Museu Paraense Emilio Goeldi, BR-1901 Belem, PA, Brazil

[3] Univ Fed Rural Amazonia, Programa Posgrad Ciencias Biol, Belem, PA, Brazil

[4] Inst Pesquisa Jardim Bot Rio de Janeiro, Escola Nacl Bot Trop, Rio De Janeiro, RJ, Brazil

[5] Inst Pesquisa Jardim Bot Rio de Janeiro, Rio De Janeiro, RJ, Brazil

[6] Univ Fed Rio Grande do Sul, Programa Posgrad Bot, Oporto, Portugal

来源：

PHYTOTAXA | 2015年 / 224卷 / 03期

关键词：

Amazonia; conservation status; Leguminosae; Red List; taxonomy; morphology; fruits and seeds; IMPACTS;

D O I：

10.11646/phytotaxa.224.3.6

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Macrosamanea macrocalyx is an endemic species from the state of Para in Brazil. It was described based on specimens collected by A. Ducke in 1916 and J.G. Kuhlmann in 1924, in the municipality of Altamira. Since then, the species has not been recorded. The construction of the Belo Monte hydroelectric dam on the Xingu River permanently flooded a large area in this region. We report the rediscovery of M. macrocalyx in its natural habitat, and provide new taxonomic information, particularly the first description of the mature fruits and seeds. We evaluate its conservation status as critically endangered (CR), based on current knowledge and the IUCN criteria.

引用

页码：276 / 282

页数：7

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