condition mean min max Sterile Leaflet 1.373877 0.930361 1.96897 Fertile Leaflet with Sori 0.9085043333333334 0.502863 1.18373 Primary Rachis 1.5208016666666666 0.884335 1.90923 Secondary Rachis 0.47222600000000003 0.280685 0.626383 Petiole 1.88637 1.34458 2.30765 Rhizome 0.8927323333333333 0.53518 1.42339 Root 0.227548 0.102414 0.349843