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Brazilian Journal of Botany

Print version ISSN 0100-8404On-line version ISSN 1806-9959


CRUZ-BARROS, Maria Amélia V.; CORREA, Angela M.S.  and  MAKINO-WATANABE, Hiroko. Pollen studies of Aquifoliaceae, Euphorbiaceae, Lecythidaceae, Malvaceae, Phytolaccaceae and Portulacaceae, ocurring in "Ilha do Cardoso (Cananéia, SP, Brasil)". Rev. bras. Bot. [online]. 2006, vol.29, n.1, pp.145-162. ISSN 0100-8404.

The Cardoso Island with 22,500 ha is situated in Cananéia municipality, State of São Paulo, Brazil (25°03’05’’ - 25°18’18’’ S and 47°53’48’’- 48°05’42’’ W). This study aimed to characterize the pollen morphology of 20 species belonging to the families Aquifoliaceae, Euphorbiaceae, Lecythidaceae, Malvaceae, Phytolaccaceae and Portulacaceae (one of them with two varieties), ocurring in "restinga" of Cardoso Island. Pollen grains were obtained from Herbário do Estado "Maria Eneyda P. Kauffman Fidalgo" (SP) collections. The pollen material was acetolysed, measured and photographed by light microscopy, and scanning electron microscopy. Pollen grains of the examined families are inaperturate, 3-colpate, 3-colporate, pantocolpate and pantoporate; exine psilate, rugulate, reticulate, clavate, Croton-pattern, echinate.

Keywords : Cardoso Island; pollen; restinga.

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