condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.29281433333333334 0.0 0.878443 Root 2.9491333333333336 0.0 8.8474