condition mean min max Sterile Leaflet 3.5259199999999997 2.86462 4.31101 Fertile Leaflet with Sori 5.8074 4.38176 6.85517 Petiole 1.748931 0.719643 2.95924 Rhizome 0.9315563333333334 0.275924 1.70351 Root 0.411153 0.152797 0.572435