condition mean min max Sterile Leaflet 9.677109 0.578327 16.2313 Fertile Leaflet with Sori 3.758646666666667 2.8405 5.35979 Primary Rachis 0.118494 0.0 0.355482 Secondary Rachis 2.41452 1.31977 3.80972 Petiole 0.048815 0.0 0.146445 Crozier 0.0 0.0 0.0 Root 0.519929 0.0 0.989844