condition mean min max Sterile Leaflet 1.153828 0.0 3.24507 Fertile Leaflet with Sori 1.869576 0.0 4.83812 Primary Rachis 0.14730866666666667 0.0 0.223723 Petiole 1.6129773333333335 0.0 4.61183 Root 7.236199999999999 0.0 10.8891