condition mean min max Sterile Leaflet 13.754566666666665 10.3829 16.1088 Fertile Leaflet with Sori 15.7996 12.0322 19.712 Primary Rachis 1.3142369999999999 0.867611 1.69083 Petiole 0.8479046666666666 0.527042 1.23204 Crozier 0.570194 0.315861 0.798038 Rhizome 0.2250716 0.0905258 0.481648 Root 0.4506345 0.0889145 0.777335