This member of the Polygonaceae family was described by William Jackson Hooker and George Arnott Walker Arnott in 1838. It was originally found in Belize, El Salvador, Guatemala, Honduras, Mexico and Nicaragua. Now, it have been successful introduced to the rest of the warmer part of the world. It grows in most kinds of soil, but preferring a well drained soil. It needs some water and lots of sun. The swollen parts of the roots can grow to four centimetres in diameter, the vines will grow for up to ten meters. The flowers are from white over reddish to pink.
The genera name means 'instead of' as it was not in the supposed family. The genera name means 'thin fruits'. Photo by Forest and Kim Starr, USGS.