condition mean min max Sterile Leaflet 0.838609 0.356137 1.10356 Fertile Leaflet with Sori 9.530459 0.0 28.4167 Primary Rachis 0.6972806666666667 0.0 1.16407 Petiole 0.6537563333333333 0.0 1.41627 Root 0.0 0.0 0.0