condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.941683333333333 0.0 8.82505 Primary Rachis 0.0 0.0 0.0 Petiole 0.13194999999999998 0.0 0.39585 Root 0.0 0.0 0.0