Table 1.
Information of selected regions plant were sampled.
| Population | Voucher | Season | Location | Longitude | Latitude | Altitude/m | Slope | Biotope |
|---|---|---|---|---|---|---|---|---|
| PX | WT01 | Oct. 2015 | Panxian, Guizhou | 104°24′ | 25°40′ | 1946 | North | Mingled forest |
| FY | FY01 | Oct. 2015 | Fuyuan, Yunnan | 104°13′ | 25°34′ | 1939 | North | Farmland margins |
| GJ | GJ01 | Aug. 2015 | Gejiu, Yunnan | 103°12′ | 23°23′ | 2530 | Southeast | Hillside meadows |
| DD | LS0202 | Sep. 2015 | Dadi, Leishan, Guizhou | 108°08′ | 26°08′ | 1381 | South | Hillside meadows |
| DY | FY01 | Oct. 2015 | Duyun, Guizhou | 107°36′ | 26°18′ | 918 | Northwest | Mingled forest |
| YL | LS0102 | Sep. 2015 | Yongle, Leishan, Guizhou | 108°09′ | 26°11′ | 1056 | East | Farmland margin |
| SY | SY02 | Sep. 2015 | Suiyang, Guizhou | 107°13′ | 27°59′ | 1030 | Northwest | Farmland margin |