condition mean min max Sterile Leaflet 4.590971 0.610393 9.17842 Fertile Leaflet with Sori 0.049273333333333336 0.0 0.14782 Primary Rachis 0.131746 0.0 0.395238 Secondary Rachis 0.04083 0.0 0.12249 Petiole 0.047844 0.0 0.143532 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0