condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.03120553333333333 0.0 0.0936166 Petiole 0.14286 0.0 0.241388 Root 4.311595666666666 0.142797 7.60903