Espécies lenhosas de Papilionoideae (Leguminosae) na Estação Ambiental de Volta Grande, Minas Gerais, Brasil
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2007-04
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Rodriguésia
Resumo
Neste trabalho apresentamos o estudo taxonômico das Papilionoideae lenhosas em formações de cerrado e de floresta semidecidual na Estação Ambiental de Volta Grande. A área de estudo, localizada no Triângulo Mineiro, faz parte do complexo da Usina Hidrelétrica Estadual de Volta Grande, reúne 391ha e retrata 30 anos de regeneração natural. Foram registrados 14 táxons reunidos em 11 gêneros e quatro tribos: Dalbergieae, com Centrolobium, Dalbergia, Machaerium e Platypodium; e Sophoreae, com Acosmium, Bowdichia, Myroxylon e Ormosia foram as tribos mais representativas, enquanto Dipterygeae, está representada por Dipteryx e Pterodon; e Robinieae, apenas por Sesbania. O gênero mais expressivo foi Machaerium, com três espécies, seguido por Acosmium, com duas, enquanto que os demais gêneros foram representados por uma espécie cada. Chave para identificação, descrições e ilustrações dos táxons encontrados são apresentadas além de comentários sobre a distribuição geográfica dos mesmos.
This work is a taxonomic study of woody taxa of Papilionoideae in "cerrado" and seasonal semideciduous forest at the Estação Ambiental de Volta Grande. This environmental station is localized within the Triângulo Mineiro, to the southwest of the state of Minas Gerais, and belongs to the Companhia Energética de Minas Gerais, covering 391ha and portraying 30 years of natural regeneration. Fourteen taxa distributed in 11 genera and four tribes were reported for the subfamily. Dalbergieae, with Centrolobium, Dalbergia, Machaerium and Platypodium; and Sophoreae, with Acosmium, Bowdichia, Myroxylon and Ormosia were the most representative tribes, followed by Dipterygeae, with Dipteryx and Pterodon and Robinieae, with Sesbania. Three species of Machaerium, and two species of Acosmium were found, while the other genera were represented by one species each. An identification key, descriptions and illustrations are presented for the taxa studied, as well as comments regarding their geographical distribution.
This work is a taxonomic study of woody taxa of Papilionoideae in "cerrado" and seasonal semideciduous forest at the Estação Ambiental de Volta Grande. This environmental station is localized within the Triângulo Mineiro, to the southwest of the state of Minas Gerais, and belongs to the Companhia Energética de Minas Gerais, covering 391ha and portraying 30 years of natural regeneration. Fourteen taxa distributed in 11 genera and four tribes were reported for the subfamily. Dalbergieae, with Centrolobium, Dalbergia, Machaerium and Platypodium; and Sophoreae, with Acosmium, Bowdichia, Myroxylon and Ormosia were the most representative tribes, followed by Dipterygeae, with Dipteryx and Pterodon and Robinieae, with Sesbania. Three species of Machaerium, and two species of Acosmium were found, while the other genera were represented by one species each. An identification key, descriptions and illustrations are presented for the taxa studied, as well as comments regarding their geographical distribution.
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Palavras-chave
Leguminosae, Papilionoideae, Florística, Cerrado, Triângulo Mineiro, Leguminosae, Papilionoideae, Floristic, Cerrado, Triângulo Mineiro