condition mean min max Sterile Leaflet 2.470576 0.789048 4.74109 Fertile Leaflet with Sori 0.240889 0.0 0.482336 Primary Rachis 0.078929 0.0 0.236787 Secondary Rachis 0.578831 0.0 1.2953 Petiole 0.28541866666666665 0.0 0.428421 Rhizome 0.783937 0.278194 1.47946 Root 0.14324733333333334 0.0 0.429742