Synandrospadix is a monotypic genus of flowering plants in the family Araceae. It comprises a single species Synandrospadix vermitoxicus. It is found in Peru, Argentina, Paraguay, and Bolivia. The inflorescence has an unpleasant smell with a spathe whose inner surface is purple with brownish-green warts and a smooth green outer surface. The spadix is egg shaped, red, and has spiked male flowers protruding from it.

Uses: The Indigenous Enxet people of the Paraguayan Gran Chaco traditionally consume the roots of Synandrospadix (yátapomxet in Enxet), which are gathered in the wild.