condition mean min max Sterile Leaflet 0.41832233333333335 0.149544 0.803826 Fertile Leaflet with Sori 1.5740120000000002 0.399444 3.73498 Primary Rachis 1.98748 0.0 3.47992 Petiole 4.490343333333334 0.0 8.65794 Root 0.0 0.0 0.0