Aristolochia macroura is native to the Rio de Janeiro area of Brazil. Aristolochia macroura
is a host plant for the caterpillars of the Fluminense Swallowtail. The native habitat is
sandy and much of the plant material is shrub height. As you can imagine even winter
temperatures rarely dip below 60 degrees. Aristolochia macroura is poisonous if ingested.
High
resolution images of Aristolochia macroura are available.
