condition mean min max Sterile Leaflet 2.1792166666666666 2.12006 2.26513 Fertile Leaflet with Sori 1.262058 0.941044 1.44145 Primary Rachis 2.94282 1.75422 4.41558 Petiole 2.42088 1.84297 3.2523 Root 2.4904800000000002 0.0 4.2846