condition mean min max Sterile Leaflet 12.628736333333334 0.544049 28.7616 Fertile Leaflet with Sori 6.91481 0.0 11.6759 Primary Rachis 10.43022 0.0 28.9463 Petiole 17.7566 0.0 45.4016 Root 0.0 0.0 0.0