condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.10776006666666667 0.0 0.270169 Root 2.5320999333333334 0.0 7.5423