condition mean min max Sterile Leaflet 3.540983333333333 1.11994 5.5307 Fertile Leaflet with Sori 4.23186 3.59813 4.85311 Primary Rachis 2.8502133333333335 1.48881 4.70322 Petiole 2.208592 0.806376 4.32525 Root 1.81501 0.0 4.06839