Disphyma papillatum (Chatham Island ice plant)
(Unranked): Core eudicots
Species: D. papillatum
Binomial name: Disphyma papillatum
Common Name: Chatham Island ice plant
Disphyma papillatum is a succulent small-leaved trailing ice plant with a dense trailing habit and is endemic to the Chatham Islands (Chatham, Pitt, South East, Mangere, Little Mangere, Rabbit, Castle, Forty Fours, Star Keys, Sisters and Western Reef islands). In the wild it is abundant on coastal rocks, cliffs, often in very exposed, inhospitable sites. It grows to a height of 0.02m and with a spread of about 1m. Disphyma papillatum is sold by nurseries and is now grown in rock gardens often hanging over walls.
For more details: http://nzpcn.org.nz/flora_details.asp? ID=467
Photographed early March at the at Basalt columns on the Chatham Islands
Photographed at Otari Native Botanic Garden and Wilton's Bush Reserve. Wellington early November.
Thanks to Wkipedia for text and information: https://creativecommons.org/licenses/by-sa/3.0/