condition mean min max Sterile Leaflet 5.37321 0.0 10.3632 Fertile Leaflet with Sori 4.650856666666667 0.0 12.6641 Primary Rachis 2.6044300000000002 0.0 4.60041 Petiole 2.267753 0.378249 3.89732 Root 0.0 0.0 0.0