condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.214945 0.0 0.341061 Primary Rachis 0.89963 0.0 2.69889 Petiole 1.12254 0.0 2.00408 Root 3.14302 0.0 5.00807