Pollinia of nine genera and 16 species of Asclepiadaceae occurring in the "Reserva do Parque Estadual das Fontes do Ipiranga" were examined: Asclepias curassavica L., Blepharodon nitidum (Vell.) J.F. Macbr., Ditassa burchellii var. vestita (Malme) Fontella, Ditassa hispida (Vell.) Fontella, Ditassa tomentosa (Decne.) Fontella, Gomphocarpus physocarpus E. Mey., Gonianthela axillaris (Vell.) Fontella & E.A. Schwarz, Matelea glaziovii (E. Fourn.) Morillo, Orthosia urceolata E. Fourn., Oxypetalum appendiculatum Mart., Oxypetalum capitatum subsp. capitatum Mart., Oxypetalum insigne (Decne.) Malme, Oxypetalum pachyglossum Decne., Oxypetalum pedicellatum Decne., Oxypetalum wightianum Hook. & Arn., Tassadia subulata var. subulata (Vell.) Fontella & E.A. Schwarz. Descriptions, illustrations and observations of all studied taxa and keys for species of Ditassa and Oxypetalum based on pollinia morphology are provided.
Asclepiadaceae; pollinarium; morphology
