Pollen grains of 11 genera and 16 species of Apocynaceae occurring in the "Reserva do Parque Estadual das Fontes do Ipiranga" were examined: Allamanda schottii Pohl, Aspidosperma olivaceum Müll. Arg., A. polyneuron Müll. Arg., Condylocarpon isthmicum (Vell.) A. DC., Forsteronia australis Müll. Arg., F. rufa Müll. Arg., Macrosiphoniapinifolia (A. St.-Hil.) Malme, Mandevilla emarginata (Vell.) C. Ezcurra, M. pohliana (Mart. ex Stadelm.) A.H. Gentry,M. urophylla (Hook. f.) Woodson, Peltastespeltatus (Vell.) Woodson, Prestonia calycina Müll. Arg., P coalita (Vell.) Woodson, Rauvolfia sellowii Müll. Arg., Secondatia sp. e Tabernaemontana catharinensis A. DC. Descriptions, illustrations and observations of all studied taxa were presented, as well as a key of species based on pollen morphology.
Apocynaceae; morphology; pollen grains
