Aristida ramosa (common name Purple wiregrass) is a species of grass (in the family Poaceae) that occurs in New South Wales, Victoria, Western Australia and Queensland.

[2] It was first described by Robert Brown in 1810 who find it live at Port Jackson (Sydney).

[5] A ramosa is a tufted perennial, with smooth internodes, growing from 37 to 120 cm high.

It grows in Bluegrass downs (Dichanthium spp.

), Brigalow, Eremophila, Eucalyptus and Triodia communities in varied soils, and flowers and fruits all year round.