It grows in clumps to 90 centimetres ( 35 in ) tall with fluted , rhubarb - like leaves and lime green flower clusters up to 60 centimetres ( 24 in ) cm wide .
Stilbocarpa polaris ( Macquarie Island Cabbage ) is a member of the Aralia family .
Stilbocarpa polaris grows in clumps to 90 centimetres ( 35 in ) tall with fluted , rhubarb - like leaves and lime green flower clusters up to 60 centimetres ( 24 in ) cm wide .
Stilbocarpa polaris ( Macquarie Island Cabbage ) is a member of the Aralia family .