condition mean min max Sterile Leaflet 1.555586 0.388378 2.80322 Fertile Leaflet with Sori 2.7975703333333333 0.176961 5.11161 Primary Rachis 1.07451 0.0 2.12154 Petiole 0.0 0.0 0.0 Root 0.0 0.0 0.0