[1] It is a tufted perennial sedge, with erect, biconvex culms, growing to 1–2 m in height.

The smooth leaves are mostly basal, 1–1.8 m long and 2–3 cm wide.

The fruits are narrowly ellipsoidal-trigonous brown nuts, 2 mm long.

[1] The sedge is endemic to Australia’s subtropical Lord Howe Island in the Tasman Sea.

It occurs on the rocky slopes and summits of Mounts Lidgbird and Gower at the southern end of the island.