condition mean min max Sterile Leaflet 0.158829 0.0 0.476487 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.8468356666666667 0.424066 1.67167 Secondary Rachis 0.5213723333333333 0.0 0.790475 Petiole 5.06362 1.14794 10.2167 Rhizome 0.781504 0.533047 1.06313 Root 1.1725539999999999 0.434374 2.12043