condition mean min max Sterile Leaflet 0.0467671 0.0 0.10234 Fertile Leaflet with Sori 0.367893 0.0 0.64319 Primary Rachis 4.5618031 0.0410593 7.1193 Petiole 6.6955496 0.0389988 11.735 Root 3.9572 0.0 6.46293