condition mean min max Sterile Leaflet 7.53505 0.0 16.6766 Fertile Leaflet with Sori 7.6832166666666675 0.0 18.734 Primary Rachis 7.77543 5.32694 12.4817 Petiole 7.60616 2.9777 13.6372 Root 14.177999999999999 0.0 25.7303