Rytidosperma petrosum (Cook Strait bristle grass)
Species: R. petrosum
Binomial name: Rytidosperma petrosum
Common name: Cook Strait bristle grass
Rytidosperma petrosum is predominantly a coastal species of stiff, wiry and rather dense tufted grass. It is endemic to the Cook Strait Region, Kapiti, Stephens and D’Urville Islands, South Wellington and Wairarapa Coast to Cape Palliser. It inhabits very exposed, dry, sunny, lichen encrusted cliff faces. It is threatened at some sites on the South Wellington coastline by weeds and quarrying.
For more details visit http://nzpcn.org.nz/flora_details.asp? ID=673
Photographed at Otari Native Botanic Garden and Wilton's Bush Reserve. Wellington.