condition mean min max Sterile Leaflet 1.1681266666666668 0.12621 2.15865 Fertile Leaflet with Sori 0.9500576666666667 0.855298 1.04054 Primary Rachis 1.71008 1.32034 1.9516 Secondary Rachis 0.719367 0.107967 1.83927 Petiole 2.48861 2.27574 2.90637 Rhizome 0.344275 0.0 0.735595 Root 0.454499 0.120492 0.713686