black bristlerush

Chorizandra enodis, commonly known as black bristle rush or black bristle sedge, is a sedge of the family Cyperaceae that is native to Australia.

The monoecious and rhizomatous perennial sedge has a loosely clumped tufted habit. It typically grows to a height of 0.2 to 1 metre (0.7 to 3.3 ft) and a width of 1 metre (3.3 ft). The plant blooms between July and November producing purple-brown-black flowers.