condition mean min max Sterile Leaflet 4.631273333333334 2.55434 6.35299 Fertile Leaflet with Sori 4.61727 2.77477 5.55536 Petiole 3.523690333333333 0.952271 7.51364 Rhizome 2.99352 1.91531 4.49393 Root 0.450191 0.285039 0.756498