Juan Manuel Borrero / Carvao aqueduct with Chilean rhubarb (Gunnera tinctoria) at base. Devasa mountain range, Sao Miguel Island, Azores, Portugal. 2019.

Juan Manuel Borrero / Chilean gunnera (Gunnera tinctoria) at edge of footpath, woman hiking along path. Devasa mountain range, Sao Miguel Island, Azores, Portugal. 2019.

Adrian Davies / Chilean rhubarb (Gunnera manicata) leaf in autumn showing remnant of green.

Adrian Davies / Chilean rhubarb leaf (Gunnera manicata) dead in winter, showing pattern of veins.

Kevin Schafer / Darwin's Fox (Pseudalopex fulvipes) portrait amongst Chilean Rhubarb / Nalca (Gunnera tinctoria) in temperate rainforest, Chiloe Island, Chile, November, Critically Endangered

Kevin Schafer / Darwin's Fox (Pseudalopex fulvipes) portrait amongst Chilean Rhubarb / Nalca (Gunnera tinctoria) leaves, in temperate rainforest, Chiloe Island, Chile, November, Critically Endangered

Ashley Cooper / Gunnera (Gunnera tinctoria) leaf close up, Holehird Gardens, Windermere, Lake District National Park, Cumbria, UK. July.