Wiwi/Knobby Club Rush Ficinia nodosa
Native. Not threatened.
Wiwi is a common rush around the southern hemisphere. It is one of several species labelled under the same moniker. Growing in xeric (dry) dunes as well as in wetland and estuarine situations,
Although a mainly coastal species it has been recorded at altitudes up to 700m above sea level. It is a tough plant - often the last remaining native species before being swamped by exotics.
White flowers appear from September to December and fruits between November and May. When ripe, the nuts are thought to be dispersed by wind.