condition mean min max Sterile Leaflet 7.89308 4.08354 11.8267 Fertile Leaflet with Sori 8.791889999999999 7.37034 9.9057 Primary Rachis 11.796936666666667 7.57159 19.274 Petiole 7.659020000000001 5.77148 10.521 Root 6.320406666666667 0.0 14.0174