condition mean min max Sterile Leaflet 2.4308975333333334 0.0795426 6.09445 Fertile Leaflet with Sori 0.52021 0.276948 0.783777 Primary Rachis 0.20315486666666666 0.0671219 0.456581 Petiole 0.040434 0.0 0.121302 Root 0.0 0.0 0.0