Pollen grains of 11 species of Passifloraceae, belonging to the genus Passiflora L. (Passiflora alata Curtis, P. cincinnata Mast., P. edulis Sims, P. haematostigma Mart. ex Mast., P. jilekii Wawra, P. miersii Mast., P. morifolia Mast., P. porophylla Vell., P. sidaefolia M. Roemer, P. truncata Regel e P. villosa Vell.), ocurring in the Reserva do Parque Estadual das Fontes do Ipiranga were studied in the present work. Descriptions, illustrations, additional observations and pollen key are presented for all studied taxa.
Passiflora; pollen grain; pollen morphology
