condition mean min max Sterile Frond 1.182297 0.523931 1.69593 Fertile Frond 1.9419563333333332 0.389239 5.00754 Young Stem with Root 18.081992333333332 0.282677 35.4262 Mature Stem with Root 2.7567630000000003 0.532609 6.76369 Root 2.9759096666666665 0.545049 5.24675