Table 3 Haplotype diversity (h), the number of segregating sites (S), the average number of pairwise difference (k), nucleotide diversity (π), and neutrality tests at cpDNA within cycad populations

C. revoluta:

Overall:

0.959

245

5.2

0.0581 ± 0.00316

Japan: AM

0.912

165

13.4

0.0154 ± 0.00328

-4.5405**

-1.8676*

-41.080***

   IR

0.955

105

19

0.0216 ± 0.00520

-0.1257

-1.0012

-1.879

   IS

0.833

328

42

0.0551 ± 0.01876

-1.7192**

-1.7929***

4.265**

   KO

0.951

69

9

0.0101 ± 0.00359

-0.3475

-1.6622***

-7.981***

   OK

0.797

85

12.3

0.0142 ± 0.00717

-0.9808

-1.7768***

0.674

   YO

0.971

59

8.9

0.0100 ± 0.00558

-2.9824**

-2.1975***

-3.635**

China: FU

0.939

17

2.3

0.0026 ± 0.00030

-2.4588***

-1.4785**

-5.673***

C. taitungensis:

Overall:

0.998

336

16.5

0.0181 ± 0.00279

Taiwan: C

0.999

127

13

0.0148 ± 0.00646

-4.0436**

-2.5904***

-16.787***

   RL

0.999

307

17.4

0.0196 ± 0.00309

-5.2128**

-2.5911***

-113.774***