condition mean min max Sterile Leaflet 5.168136666666667 1.75419 9.59754 Fertile Leaflet with Sori 4.35573 1.87945 6.67632 Primary Rachis 7.56593 3.55106 9.751 Petiole 6.814743333333333 3.06457 9.74496 Root 3.9728600000000003 0.0 9.29719