condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.67856 0.0 6.51794 Primary Rachis 0.113994 0.0 0.341982 Petiole 0.04787666666666667 0.0 0.14363 Root 0.0 0.0 0.0