condition mean min max Sterile Leaflet 6.160746666666666 2.55683 8.63526 Fertile Leaflet with Sori 6.43309 2.17168 11.4697 Primary Rachis 4.8950466666666665 1.49795 9.25514 Petiole 6.16498 1.43983 11.6312 Root 3.4856599999999998 0.0 6.63146