condition mean min max Sterile Leaflet 5.518516666666667 4.93646 6.52836 Fertile Leaflet with Sori 5.45114 4.33846 6.90065 Primary Rachis 5.249593333333333 3.85951 6.78645 Petiole 5.11762 4.23053 6.18643 Root 2.5427 0.0 4.45604