condition mean min max Sterile Leaflet 0.166063 0.0 0.498189 Fertile Leaflet with Sori 4.19485 1.52442 6.21576 Primary Rachis 0.146363 0.0 0.439089 Secondary Rachis 0.152375 0.0 0.457125 Petiole 0.0 0.0 0.0 Rhizome 0.10477933333333334 0.0 0.314338 Root 0.0 0.0 0.0