@article{article4412b249,
title   = {Reproductive biology and pollination of southeastern Brazilian Stanhopea Frost ex Hook. (Orchidaceae)},
author = {Pansarin, Emerson Ricardo and Amaral, Maria do Carmo Estanislau do},
year = {2009},
doi = {10.1016/j.flora.2008.01.014},
journal   = {Flora}
}