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By: Ruggiero, Patricia G. C. - Zaidan, Lilian B. P.Type: ArticleIn: Sociedade Botânica de São PauloVolume:Series:Issue:Date: 1997-06-01Page Range:Publication Info: Sociedade Botânica de São Paulo 1997-06-01Subjects: Cerrado flowering Growth Photoperiodism Viguiera robusta