condition mean min max Sterile Leaflet 2.30456 0.0 3.73151 Fertile Leaflet with Sori 2.72017 1.30707 4.09915 Petiole 4.995526666666667 2.4718 6.46435 Rhizome 4.193703333333334 2.32026 6.13245 Root 2.34078 1.06959 3.3283