condition mean min max Sterile Frond 1.680908 0.820764 2.57353 Fertile Frond 2.637747 0.995441 4.30317 Young Stem with Root 5.339365666666667 0.0 15.7894 Mature Stem with Root 1.0388519999999999 0.591234 1.88546 Root 5.633252 0.245508 15.7478