Cyperus decompositus (R.Br.) F.Muell.
Mueller, F.J.H. von (1874) Fragmenta Phytographiae Australiae 8: 267.
Usually flowers and fruits when about 1-2 m tall.
Leaf blades about 81-120 x 1-2 cm, V-shaped in transverse section particularly towards the base. Margin and midrib on the lower surface finely toothed.
Features not avalaible.
Food plant for the larval stages of the Six-spot Skipper Butterfly. Common & Waterhouse (1981).