condition mean min max Sterile Leaflet 2.266534 0.401462 4.26211 Fertile Leaflet with Sori 2.8081199999999997 1.74514 4.42808 Primary Rachis 1.003381 0.721804 1.50664 Secondary Rachis 1.111917 0.550251 1.77844 Petiole 0.5080526666666667 0.138645 0.724369 Crozier 3.5570516666666667 0.427205 8.93577 Root 0.251276 0.0 0.753828