condition mean min max Sterile Leaflet 4.357171 0.232383 8.22085 Fertile Leaflet with Sori 1.425028 0.348348 3.27631 Primary Rachis 6.376415333333333 0.315406 15.8647 Petiole 0.1482853 0.0592009 0.234262 Root 0.0 0.0 0.0