condition mean min max Sterile Leaflet 0.19224133333333335 0.0 0.420219 Fertile Leaflet with Sori 6.517035 0.144935 15.5842 Primary Rachis 0.2132167 0.0837141 0.39351 Petiole 0.42957 0.0 1.131 Root 0.40368 0.0 1.21104