condition mean min max Sterile Leaflet 3.89441 3.30903 4.84016 Fertile Leaflet with Sori 2.92952 1.49488 4.37774 Primary Rachis 0.955454 0.416252 1.38668 Petiole 1.767582 0.575036 3.3408 Root 0.39005066666666666 0.0 1.00933