Perennial grass to 60cm tall. Leaves with a hairless, hairy, or rough sheath at the base. Ligule a membrane with or without a fringe of hairs. Leaves thread-like, rolled, or edges rolled inwards, to 20cm long, to 2mm wide, hairy. Spikelets green-purple, 9-14mm long. Mature seed groups cylindrical, occasionally spreading. Mature seeds gold brown, with 1 long awn. Rare Vic.
PlantNET description with line drawings: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Austrostipa~trichophylla
ausgrass2 description with line drawing: http://ausgrass2.myspecies.info/content/austrostipa-trichophylla
FloraBase photos: http://florabase.dec.wa.gov.au/browse/photo/17255