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  • 标题:Revisão taxonômica das espécies de Virola Aublet (Myristicaceae) do Brasil
  • 本地全文:下载
  • 作者:Rodrigues, William Antônio ; Rodrigues, William Antônio
  • 期刊名称:Acta Amazonica
  • 印刷版ISSN:0044-5967
  • 出版年度:1980
  • 卷号:10
  • 期号:1
  • 页码:3-127
  • DOI:10.1590/1809-43921980101s003
  • 出版社:Instituto Nacional de Pesquisas da Amazônia
  • 摘要:RESUMO Estudo crítico e revisão taxonômica de 35 espécies do gênero Virola (Myristicaceae) ocorrentes no Brasil. Consta de uma exposição das razões que motivaram a execução desse estudo, seguida de um esboço histórico das principais contribuições para o conhecimento do gênero no País e uma descrição sucinta de sua importância econômica. Segue uma discussão da fitogeografia do gênero no Brasil e de seus principais aspectos morfológicos, anatômicos e palinológicos. Dados sobre fenologia, relações genéricas e evolução do gênero Virola são também apresentados. A principal parte deste estudo é obviamente dedicado à classificação e descrições taxonômicas do gênero e das 35 espécies consideradas válidas pelo autor. O trabalho é ilustrado com fotografias, mapas e desenhos analíticos originais de folhas, flores e frutos.
  • 其他摘要:SUMMARY In this work, the author presents a critical study and revision of the species of Virola Aublet (Myristicaceae) occurring in Brazil, known vernacularly in various regions of the country as "bicuiba", "ucuuba", "urucuba" and, commercially, as "virola". The genus is one of the most important of the american Myristicaceae, not only due to its wealth of species, but also because of the economic and medicinal value that various of its species represent. This work opens with an explanation of why the study was made, followed by an historical sketch of the principal contributions to our knowledge of the genus in Brazil and a brief description of its economic importance. A discussion of the geographic distribution of the genus Virola within Brazil is included, as well as an examination of its morphological, anatomical and palynological aspects. Data on the phenology of a number of principal species, obtained primarily from herbarium material, are presented and discussed. In a more speculative vein, possible generic and evolutionary relationships of Virola are also discussed, based primarily on external morphology, due to the lack of knowledge concerning cytology within the genus. The major portion of this study is devoted to the classification and taxonomic descriptions of the genus and its species. A key for the identification of the neotropical genera of Myristicaceae has been included to show intergeneric relationships and affinities, as well as another key for the species of Virola considered in this revision. The descriptions are accompanied by photographs or original analytical drawings, principally of the leaves, flowers and fruits; in adition, distribution maps for each species have been prepared. A list of the specimens consulted is included at the end of each description. Finally, the author has suplied additional information concerning the common names, uses, phenology and habitat of each species. The groups and sections that have been proposed previously by other botanists are rejected; three binomials are reduced to synonymy; the descriptions of various species are amplified; and the distribution areas of the majority of species are considerably increased. A total of 35 Brazilian species of Virola are recognized as valid in this work.
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