condition mean min max Sterile Leaflet 0.6198903333333333 0.287816 1.00734 Fertile Leaflet with Sori 0.47524733333333335 0.0 0.849809 Primary Rachis 1.051766 0.231622 2.06188 Petiole 4.15463 2.89444 6.24168 Root 0.0 0.0 0.0