Stilbocarpa polaris, commonly known as the Macquarie Island cabbage, is a species of flowering plant usually placed in the family Araliaceae. It is a megaherb, growing up to about a metre in height, native to the subantarctic islands of New Zealand and to Australia’s Macquarie Island. It was used as a food source and a scurvy preventative by early explorers and sealers. On Macquarie Island it was threatened by introduced black rats and European rabbits until their eradication in 2011.