condition mean min max Sterile Leaflet 1.0257640000000001 0.0 2.73557 Fertile Leaflet with Sori 1.64137 1.08624 2.28697 Primary Rachis 2.3563300000000003 0.0 4.24544 Petiole 4.074953333333333 1.52953 7.88551 Root 4.123836666666667 1.36857 9.2967