condition mean min max Sterile Leaflet 4.51442 3.18867 5.7947 Fertile Leaflet with Sori 2.884493 0.830909 4.53572 Petiole 0.4932913333333333 0.332683 0.763485 Rhizome 0.22515433333333332 0.0 0.345885 Root 0.0 0.0 0.0