condition mean min max Sterile Leaflet 5.42751 3.44883 6.98514 Fertile Leaflet with Sori 7.3482199999999995 2.71549 11.7295 Primary Rachis 0.489332 0.0 1.15722 Secondary Rachis 2.891015 0.956455 4.5047 Petiole 0.10735833333333333 0.0 0.322075 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0