condition mean min max Sterile Frond 5.24101 2.30771 8.26642 Fertile Frond 5.894006666666667 2.70417 8.12594 Young Stem with Root 15.976566666666667 8.8967 27.1377 Mature Stem with Root 14.65659 9.03937 23.4569 Root 20.16375 9.99055 35.3999