Floral and reproductive biology of Alpinia purpurata (Vieill.) K. Schum. (Zingiberaceae): An important tropical ornamental plant حسب França, Rozineide Pereira Alves de, Botini, Auclar Felipe, Koch, Ana Kelly, Caetano, Ana Paula S., Silva, Ivone Vieira da, Krause, Willian, Silva, Celice Alexandre