Climbing plants of a fragmented area of lowland Atlantic Forest, Igarassu, Pernambuco (northeastern Brazil) Araújo, Diogo Alves, Marccus Phytotaxa 2010 2010-08-31 8 1 24 RYHW (Vell.) Cogn. Cogn. Vell. [191,534,1504,1528] Magnoliopsida Cucurbitaceae Cayaponia Plantae Cucurbitales 16 17 Tracheophyta species tayuya   Ecuador, Bolivia, Brazil(widely distributed). Pluvial and dry Atlantic forest, restinga and caatinga ( Klein 2000). Selected Voucher— Santa Helena, Sá e Silva 176(UFP); Pezinho, Alves-Araújo 576(UFP).