condition mean min max Sterile Leaflet 1.2761633333333333 0.0 2.26174 Fertile Leaflet with Sori 3.99466 0.0 6.68162 Primary Rachis 0.836497 0.0 1.67726 Petiole 0.0 0.0 0.0 Root 0.0 0.0 0.0