Angraecum sesquipedale: l'orchidea di Darwin - BioPills
File:Xanthopan morgani.jpg - Wikipedia
Good Heavens what insect can suck it'– Charles Darwin, Angraecum sesquipedale and Xanthopan morganii praedicta - ARDITTI - 2012 - Botanical Journal of the Linnean Society - Wiley Online Library
Darwin (hawkmoth Xanthopan morgani praedicta) mostra straordinariamente lunga lingua a spirale. Andasibe-Mantadia National Park, Mad Foto stock - Alamy
Good Heavens what insect can suck it'– Charles Darwin, Angraecum sesquipedale and Xanthopan morganii praedicta - ARDITTI - 2012 - Botanical Journal of the Linnean Society - Wiley Online Library