condition mean min max Sterile Leaflet 0.5547583333333334 0.0 0.884504 Fertile Leaflet with Sori 0.941356 0.0 2.16655 Primary Rachis 3.3641799999999997 0.0 5.79169 Petiole 2.0752099999999998 0.0 4.03651 Root 0.077282 0.0 0.231846