condition mean min max Sterile Leaflet 3.46182 1.93163 5.09457 Fertile Leaflet with Sori 1.4054843333333333 0.730593 2.40783 Primary Rachis 0.9703496666666666 0.0 2.30501 Secondary Rachis 0.737932 0.291476 0.984686 Petiole 0.7560709999999999 0.295752 1.57496 Crozier 2.1292816666666665 0.675687 4.97881 Root 0.574745 0.0 0.998672