condition mean min max Sterile Leaflet 0.49630433333333335 0.361886 0.763185 Fertile Leaflet with Sori 4.31636 2.18659 6.0201 Primary Rachis 0.35562999999999995 0.0 1.06689 Secondary Rachis 0.6294033333333333 0.326449 0.892199 Petiole 0.13134033333333334 0.0 0.394021 Rhizome 1.45465 0.0 2.55944 Root 0.0 0.0 0.0