condition mean min max Sterile Leaflet 2.7431733333333335 1.96911 3.22684 Fertile Leaflet with Sori 1.98751 1.50754 2.42253 Primary Rachis 1.3478683333333334 0.971745 1.86338 Petiole 1.378191 0.867213 1.92545 Root 0.7957 0.0 1.30186