Summary A very large nature print of Petasites japonicus (Sieb. & Zucc.) Maxim. subsp. giganteus Kitam., executed by Professor Keisuke Ito, was recently rediscovered in the collections of the Library, the Royal Botanic Gardens, Kew. The subject of nature prints is discussed, as are attempts to reproduce such a print, and a short discourse on the artist, Prof. Ito, is given. The confusing taxonomic history of Petasites japonicus subsp. giganteus is discussed. The plant is described and illustrated along with notes on its distribution and ecology; cultivation notes and indications of current uses are provided.