condition mean min max Sterile Leaflet 1.334243 0.0 3.31793 Fertile Leaflet with Sori 32.694006 0.696528 95.8287 Primary Rachis 0.9789566666666666 0.0 2.93687 Petiole 1.1307493333333332 0.0 2.62273 Root 6.53449 1.62993 14.9698