condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 1.2904613333333332 0.0 3.52776 Petiole 7.710733333333334 0.0 23.1322 Root 0.0 0.0 0.0