Table 1.
Geographic distributions of the four Notopterygium species sampled in this study.
| Species | Population | Sample | Location | Longitude | Latitude | Altitude (m) |
|---|---|---|---|---|---|---|
| N. incisum | A | 13 | Huzhubeishan, Qinghai | 102.4319 | 36.8918 | 2620 |
| B | 5 | Maqu, Gansu | 102.0703 | 33.9992 | 3479 | |
| C | 10 | Datong, Qinghai | 101.8527 | 37.1496 | 3030 | |
| D | 10 | Taibaishan, Shaanxi | 108.7797 | 33.8532 | 2800 | |
| E | 5 | Guangtoushan, Shaanxi | 107.7010 | 34.0535 | 3190 | |
| F | 10 | Qinglinxiang, Qinghai | 101.4009 | 37.1007 | 2756 | |
| G | 12 | Jiuzhi, Qinghai | 101.6890 | 32.8584 | 4030 | |
| H | 10 | Maqin, Qinghai | 100.1971 | 34.4904 | 4030 | |
| I | 10 | Tongde, Qinghai | 100.5467 | 35.2760 | 3259 | |
| J | 10 | Aba, Sichuan | 101.0998 | 33.3834 | 4030 | |
| L | 10 | Kangding, Sichuan | 101.9669 | 29.9889 | 3560 | |
| M | 10 | Zhangye, Gansu | 100.4498 | 38.9259 | 3100 | |
| N | 10 | Yajiang, Sichuan | 101.3272 | 30.0611 | 3540 | |
| Q | 10 | Baoxing, Sichuan | 102.8176 | 30.3683 | 3442 | |
| S | 10 | Muli, Sichuan | 100.6510 | 28.2637 | 3750 | |
| T | 5 | Qinglinxiang, Qinghai | 101.5308 | 37.3207 | 3200 | |
| U | 6 | Daofu, Sichuan | 101.3826 | 31.4693 | 3920 | |
| V | 6 | Xiaojin, Sichuan | 102.6387 | 32.1214 | 3219 | |
| W | 6 | Xiaojin, Sichuan | 102.7960 | 32.2396 | 3900 | |
| X | 8 | Ganzi, Sichuan | 100.4784 | 32.3009 | 4073 | |
| Y | 2 | Luhuo, Sichuan | 101.5595 | 31.8943 | 3465 | |
| Z | 5 | Yuzhong, Gansu | 104.3608 | 35.7666 | 3046 | |
| HA | 5 | Tianzhu, Gansu | 103.2542 | 37.9120 | 3102 | |
| HB | 5 | Danba, Sichuan | 102.1852 | 30.9335 | 3708 | |
| HC | 5 | Barkam, Sichuan | 103.3875 | 32.7876 | 4652 | |
| HF | 5 | Taibai, Shaanxi | 108.2254 | 34.9387 | 3323 | |
| HH | 6 | Zhouqu, Gansu | 104.5106 | 34.1207 | 3360 | |
| HI | 5 | Datong, Qinghai | 102.2978 | 38.1388 | 3150 | |
| N. franchetii | KA | 9 | Huzhubeishan, Qinghai | 102.4319 | 36.8918 | 2110 |
| KC | 10 | Heping, Gansu | 103.9551 | 36.0039 | 2450 | |
| KD | 10 | Qilisi, Qinghai | 102.7054 | 36.0847 | 2450 | |
| KE | 2 | Jiaocheng, Shanxi | 111.4510 | 37.7604 | 2750 | |
| KF | 7 | Xinglongshan, Gansu | 104.0576 | 35.7966 | 2484 | |
| KG | 10 | Ya’an, Sichuan | 102.8176 | 30.3683 | 2890 | |
| KH | 10 | Datong, Qinghai | 101.8527 | 37.1496 | 2319 | |
| KI | 9 | Maqu, Gansu | 102.0703 | 33.9992 | 2379 | |
| KJ | 10 | Tongde, Qinghai | 100.5467 | 35.2760 | 2273 | |
| KK | 10 | Nuoergai, Sichuan | 102.9615 | 33.5903 | 3526 | |
| KL | 10 | Datong, Qinghai | 101.5308 | 37.3207 | 3200 | |
| KM | 10 | Yundingshan, Shanxi | 111.5310 | 37.8906 | 2543 | |
| KN | 2 | Jiaocheng, Shanxi | 111.4852 | 37.6826 | 2622 | |
| KO | 5 | Zhangye, Gansu | 101.4667 | 38.7167 | 2800 | |
| KP | 5 | Yanchang, Gansu | 104.2480 | 34.2263 | 2520 | |
| KQ | 10 | Xinglongshan, Gansu | 104.0375 | 35.7778 | 2400 | |
| KR | 2 | Yanchang, Gansu | 104.2590 | 34.2257 | 2470 | |
| KS | 5 | Lintao, Gansu | 103.8596 | 35.3950 | 1883 | |
| KV | 6 | Hezheng, Gansu | 103.3487 | 35.4249 | 2143 | |
| KX | 6 | Qinglinxiang, Qinghai | 101.4009 | 37.0841 | 2058 | |
| KZ | 6 | Jishishan, Gansu | 102.8741 | 35.7181 | 2281 | |
| YA | 5 | Weiyuan, Sichuan | 103.9837 | 35.1236 | 1760 | |
| YB | 5 | Yuzhong, Gansu | 104.6744 | 35.3104 | 2847 | |
| YC | 9 | Daofu, Sichuan | 101.3203 | 31.8562 | 3189 | |
| YD | 5 | Danba, Sichuan | 102.2000 | 30.5666 | 3318 | |
| YE | 6 | Wuwei, Tianzhu, Gansu | 103.4026 | 37.5991 | 2816 | |
| YF | 6 | Luhuo, Sichuan | 101.2372 | 31.8868 | 3246 | |
| YK | 5 | Datong, Qinghai | 102.3505 | 37.1864 | 3058 | |
| YM | 5 | Foshan Forest Farm, Qinghai | 102.2592 | 37.1722 | 2958 | |
| N. oviforme | LA | 10 | Taibaishan, Shaanxi | 107.7011 | 34.0535 | 3190 |
| LB | 10 | Huating, Gansu | 106.5856 | 35.1610 | 2650 | |
| LC | 10 | Long, Shaanxi | 106.6734 | 35.0690 | 2568 | |
| LD | 17 | Zhuque Forest Park, Shaanxi | 108.5268 | 33.9248 | 1890 | |
| LE | 15 | Chanan, Shaanxi | 108.8230 | 33.8205 | 2430 | |
| LF | 10 | Gangu, Gansu | 105.1848 | 34.5744 | 2234 | |
| LG | 2 | Xihuazhen, Gansu | 106.5821 | 35.1609 | 2480 | |
| LK | 5 | Meiyukou, Shaanxi | 108.7230 | 33.7205 | 2300 | |
| LO | 5 | Ningshan, Xunyang, Shaanxi | 109.0716 | 34.4094 | 2410 | |
| LP | 5 | Longxian, Guanshan, Shaanxi | 107.1760 | 35.5032 | 2153 | |
| LQ | 5 | Feng yukou, Shaanxi | 108.6230 | 33.6205 | 2100 | |
| LT | 5 | Hua, Gansu | 106.4023 | 35.1588 | 2230 | |
| LU | 6 | Hua, Gansu | 106.6531 | 35.2182 | 2120 | |
| N. forrestii | LCA | 10 | Yajiang, Sichuan | 100.5662 | 30.1583 | 4164 |
| LCB | 10 | Yajiang, Sichuan | 100.7859 | 30.0441 | 4220 | |
| LCC | 10 | Litang, Sichuan | 100.3092 | 29.9981 | 4010 | |
| LCD | 10 | Cara Mountain, Sichuan | 100.6326 | 30.1369 | 4300 | |