This prickly shrub with pink fruits and small white flowers was probably planted on Sarah Island (Tasmania) when it was used as a prison. The only genuinely native plant on the island is believed to be Cyathea australis (Rough Tree Fern)

Sarah Island, Gordon River estuary, Tasmania 30th August 2007

Added on 21st August 2008, updated 9th December 2008, updated 21st March 2010, updated 15th April 2015