Rhabdadenia madida

This plant is a climbing vine in the Apocynaceae family, native to tropical South America and extending south to northeastern Argentina. It occurs in marshy areas and other wet habitats. Its opposite leaves are elliptical with smooth edges. Pink, lilac or purple flowers have a tubular base and five spreading lobes, usually appearing in pairs. The fruits are paired, elongated pods containing seeds with tufts of hair. Photographed in the department of Magdalena, Colombia.