Ecdeiocolea

Ecdeiocolea is a genus of grass-like plants from Western Australia. It was first defined by von Mueller in 1874. "Ecdeiocolea" contains two species. The type species is the widespread "Ecdeiocolea monostachya" F.Muell.
"Ecdeiocolea" is most closely related to the graminoid families Joinvilleaceae and Poaceae. Molecular phylogenetic studies indicate that "Ecdeiocolea" is sister to Poaceae.