Pollen grains of seven genera and 11 taxa of Cucurbitaceae (Anisosperma passiflora (Vell.) A. Silva Manso, Cayaponia cabocla (Vell.) Mart., C. martiana (Cogn.) Cogn., C. pilosa (Vell.) Cogn., C. villosissima Cogn., Echinocystis racemosa (Steud.) Mart. Crov., Melothria campestre Naudin., M. cucumis Vell. var. cucumis, Sicydium gracile Cogn., Sicyos polyacanthos Cogn., and Wilbrandia verticillata (Vell.) Cogn, ocurring in the "Reserva do Parque Estadual das Fontes do Ipiranga", were studied. Descriptions and illustrations are presented for all studied species.
Cucurbitaceae; pollen flora; pollen grains
