condition mean min max Sterile Leaflet 1.050688 0.477094 1.61524 Fertile Leaflet with Sori 3.4115406666666668 0.697862 6.18895 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.9710949999999999 0.145732 2.04297 Petiole 0.16253066666666668 0.0 0.487592 Crozier 0.0 0.0 0.0 Root 0.15659900000000002 0.0 0.469797