condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.7337166666666666 0.0 5.67455 Primary Rachis 0.082891 0.0 0.248673 Petiole 0.0 0.0 0.0 Root 0.0 0.0 0.0