Restio is the name of a group of plants within the Restionaceae

Restionaceae

Restionaceae, also called restiads, is the botanical name for a family of rush-like flowering plants native to the Southern Hemisphere.- Description :...

. Many species formerly included within the Restio genus are now classified into a number of other genera including Acion, Baloskion and Eurychorda.
In common with a number of other genera in the Restionaceae, Restios are widely cultivated for use a garden ornamentals for their attractive nodular foliage and mild frost hardiness.