Table 3. Descriptive statistics summary of the S. hexandrum populations.
| Population | Code | PPB (%) | Ao | Ae | He | Ho |
| Tancaogou | TCG | 23.63 | 1.3546 | 1.1684 | 0.0559 | 0.0737 |
| Chunshugou | CSG | 22.62 | 1.2687 | 1.1556 | 0.0337 | 0.0689 |
| Hougou | HG | 25.66 | 1.5642 | 1.2357 | 0.1229 | 0.1038 |
| Xiaoshagou | XSG | 25.32 | 1.5721 | 1.1957 | 0.0777 | 0.0733 |
| Doumugong | DMG | 39.17 | 1.3905 | 1.1404 | 0.0296 | 0.0255 |
| Pinganssi | PAS | 33.95 | 1.4397 | 1.1833 | 0.0567 | 0.0442 |
| Mingxingsi | MXS | 26.94 | 1.4720 | 1.1667 | 0.0381 | 0.0667 |
| Xiabansi | XBS | 23.51 | 1.4986 | 1.231 | 0.0542 | 0.0614 |
| Laojungou | LJG | 28.52 | 1.2199 | 1.1937 | 0.0426 | 0.0566 |
| Youfanggou | YFG | 21.95 | 1.3688 | 1.1846 | 0.0533 | 0.0755 |
| Baicaoling | BCL | 28.84 | 1.5579 | 1.1795 | 0.0603 | 0.0715 |
| Nianzigou | NZG | 25.18 | 1.473 | 1.2166 | 0.0868 | 0.0508 |
| Wenjiagou | WJG | 31.99 | 1.4238 | 1.1737 | 0.0797 | 0.0321 |
| Liulingou | LLG | 26.85 | 1.5053 | 1.2000 | 0.0882 | 0.0733 |
| Beigou | BG | 29.01 | 1.5319 | 1.2643 | 0.0670 | 0.0680 |
| Dagangou | DGG | 27.07 | 1.5912 | 1.2128 | 0.0448 | 0.0781 |
| Yaowangmiao | YWM | 32.03 | 1.5309 | 1.2024 | 0.0728 | 0.0972 |
| Yingpangoukou | YPG | 24.93 | 1.6054 | 1.2290 | 0.0778 | 0.0799 |
| Maiduoshigou | MDS | 24.63 | 1.1576 | 1.0445 | 0.0226 | 0.0656 |
| Panjiaba | PJB | 32.95 | 1.1872 | 1.1293 | 0.0252 | 0.0277 |
| Zhangjiagou | ZJG | 26.17 | 1.2364 | 1.1722 | 0.0523 | 0.0464 |
| Longwangmiao | LW | 24.46 | 1.2953 | 1.2199 | 0.0498 | 0.0636 |
| Huangbaigou | HBG | 24.07 | 1.3276 | 1.1913 | 0.0684 | 0.0994 |
| Dashuiyugou | DSY | 31.74 | 1.2435 | 1.0573 | 0.0804 | 0.0704 |
| Chenjiagou | CJG | 28.75 | 1.4232 | 1.2048 | 0.0643 | 0.0544 |
| Longwangmiao | LWM | 33.62 | 1.2577 | 1.0735 | 0.0422 | 0.0722 |
| Yinmagou | YMG | 23.52 | 1.4565 | 1.2381 | 0.0971 | 0.061 |
| Hualingou | HLG | 23.34 | 1.1842 | 1.1088 | 0.0387 | 0.0603 |
| Huojigou | HJG | 30.96 | 1.0761 | 1.0182 | 0.0541 | 0.0244 |
| Shijiagoucun | SJG | 20.73 | 1.1253 | 1.0611 | 0.0412 | 0.0431 |
| Caotangou | CTG | 26.42 | 1.1088 | 1.0826 | 0.0315 | 0.0533 |
| Liujiaping | LJP | 25.93 | 1.2165 | 1.0802 | 0.0573 | 0.0961 |
| Average | 27.33 | 1.3645 | 1.1630 | 0.0621 | 0.0637 | |
| Total | 56.02 | 1.7801 | 1.3732 | 0.1434 | 0.2362 |
Note: Ao, observed number of alleles per locus; Ae, effective number of alleles per locus; He, Nei’s gene diversity; Ho, Shannon’s information index; PPB, percentage of polymorphic bands.