condition mean min max Sterile Leaflet 3.48684 3.03106 4.20343 Fertile Leaflet with Sori 4.11485 3.4788 4.54468 Petiole 2.041576666666667 1.23888 3.62154 Rhizome 2.16329 1.72605 2.56448 Root 2.66156 1.98587 3.54551