condition mean min max Sterile Leaflet 2.01667 1.70205 2.56563 Fertile Leaflet with Sori 1.7090233333333333 1.52245 2.01311 Primary Rachis 2.5627933333333335 2.39109 2.65393 Petiole 2.30679 2.01599 2.73234 Root 1.7466199999999998 0.0 2.81751