Period (month/day)

Night average temperature (˚C)

Length of stylus (mm)

Length of stamen (mm)

Difference of stylus and stamen (mm)

Stylus diameter (Da107) (mm)

Stylus diameter (first) (mm)

9/24 - 9/28

27.9 ± 0.3

20.33

12.37

7.96

2.31

1.37

10/15 - 10/19

24.9 ± 0.3

18.85

11.86

6.99

2.27

1.11

12/10 - 12/14

17.9 ± 0.4

17.17

11.13

6.04

2.13

1.01

1/6 - 1/9

9.38 ± 0.12

15.85

9.86

5.99

1.95

0.97

Correlation coefficient with temperature

0.98**

0.99**

0.88**

1.00**

0.84**