condition mean min max Sterile Leaflet 4.595393333333334 3.27666 6.29641 Fertile Leaflet with Sori 5.52271 3.67624 8.38081 Primary Rachis 5.47513 4.42102 6.67734 Petiole 6.97899 4.46442 10.9666 Root 4.046163333333333 0.0 6.27838