Gahnia grandis (Labill.) S.T.Blake

A sedge. It forms clumps and keeps growing from year to year. It grows 1.5-2.5 m high and spreads 2-3 m wide. The stems are slender and 2.5 m long. The leaves are 2.5 m long and narrow. They are like grass. They have a rough, saw edge and a channel on top. The flower stalk is 60 cm long. It is black. The branches can be erect or drooping. The spikelets are small. They have 2 flowers. These are cream and the seed or nut is 0.3 cm long and brown.

It grows in damp places. It grows in temperate places. It can be in lower alpine vegetation. Tasmanian Herbarium. Arboretum Tasmania.

The leaf buds are eaten.

Planst can be grown from seed or by division of the clump.