condition mean min max Sterile Leaflet 1.2797363333333334 0.829249 1.91824 Fertile Leaflet with Sori 1.2480499999999999 0.490288 2.52676 Primary Rachis 2.60726 1.77892 3.42319 Secondary Rachis 1.7121119999999999 0.968856 2.54384 Petiole 2.68011 2.11928 3.61894 Rhizome 1.12638 0.68832 1.58439 Root 0.5611693333333333 0.321926 1.01124