length width mass petiole
7.6   9.6  0.587  6.2
5.8   7.2  0.235  3.6
7.7   8.9  0.480  5.3
9.0  11.5  0.738  5.6
8.1  11.0  0.587  5.2
8.6  12.1  0.793  6.0
6.3   7.8  0.401  4.2
7.5  10.0  0.611  6.1
8.6   9.5  0.617  5.3
8.7   9.5  0.578  6.9
7.8   9.6  0.373  4.3
6.5   7.9  0.327  4.8
6.1   6.9  0.281  5.5
8.0   9.7  0.528  5.0
7.5   9.3  0.399  5.2
8.0   9.3  0.543  4.9
7.0   8.5  0.413  5.5
6.2   7.6  0.323  4.6
7.9   9.5  0.544  5.9
8.2  10.5  0.577  6.4