condition mean min max Sterile Leaflet 3.6172999999999997 2.24117 5.0111 Fertile Leaflet with Sori 2.88544 2.17402 3.27598 Primary Rachis 4.327616666666667 1.57404 9.45969 Petiole 3.43621 0.40676 8.48248 Root 3.142031333333333 0.0 8.69947