Table 1. Description of the plant material studied.
| No. | Origin | Altitude(m) | Latitude(N.) | Longitude(E.) | Habitat | Ploidy |
|---|---|---|---|---|---|---|
| SAG-E1 | Hanzhong, Shanxi | 546.2 | 33°18′ | 106°96′ | Roadside | Hexaploid |
| SAG-E2 | Guangyuan, Sichuan | 642 | 32°27′ | 105°48′ | Roadside | Hexaploid |
| SAG-E3 | Suining, Sichuan | 310 | 30°32′ | 105°32′ | Hillside | Hexaploid |
| SAG-E4 | Wenjiang, Sichuan | 396 | 29°38′ | 103°40′ | Roadside | Hexaploid |
| SAG-E5 | Shuangliu, Sichuan | 550 | 30°24′ | 103°54′ | Roadside | Hexaploid |
| SAG-E6 | Longquan, Sichuan | 709 | 30°33′ | 104°18′ | Hillside | Hexaploid |
| SAG-E7 | Dujiangyan, Sichuan | 725 | 31°1′ | 103°35′ | Riverside | Hexaploid |
| SAG-E8 | Xinjin, Sichuan | 515 | 30°23′ | 103°48′ | Hillside | Hexaploid |
| SAG-E9 | Jintang, Sichuan | 436 | 30°44′ | 104°29′ | Hillside | Hexaploid |
| SAG-E10 | Jiajiang, Sichuan | 426 | 29°47′ | 103°41′ | Roadside | Tetraploid |
| SAG-E11 | Leshan, Sichuan | 362 | 29°35′ | 103°46′ | Riverside | Hexaploid |
| SAG-E12 | Meishan, Sichuan | 408 | 30°2′ | 103°50′ | Riverside | Hexaploid |
| SAG-E13 | Ya′an, Sichuan | 584 | 29°58′ | 102°16′5 | Riverside | Hexaploid |
| SAG-E14 | Shimian, Sichuan | 1024 | 29°27′ | 102°11′ | Hillside | Hexaploid |
| SAG-E15 | Hanyuan, Sichuan | 891 | 29°26′ | 102°37′ | Roadside | Hexaploid |
| SAG-E16 | Panzhihua, Sichuan | 962 | 26°37′ | 101°48′ | Riverside | Hexaploid |
| SAG-E17 | Huili, Sichuan | 1743 | 26°38′ | 102°15′ | Hillside | Hexaploid |
| SAG-E18 | Ningnan, Sichuan | 694 | 26°58′ | 102°48′ | Riverside | Hexaploid |
| SAG-E19 | Mengma, Yunnan | 531 | 30°23′ | 099°48′ | Roadside | Tetraploid |
| SAG-E20 | Shuangjiang, Yunnan | 887 | 29°32′ | 099°49′ | Hillside | Tetraploid |
| SAG-E21 | Lanchang, Yunnan | 436 | 30°44′ | 099°48′ | Hillside | Hexaploid |
| SAG-E22 | Meng′an, Yunnan | 546 | 30°40′ | 099°20′ | Hillside | Tetraploid |
| SAG-E23 | Duyun, Guizhou | 840.8 | 26°16′ | 107°29′ | Hillside | Hexaploid |
| SAG-E24 | Dushan,Guizhou | 943.8 | 25°45′ | 107°34′ | Riverside | Hexaploid |
| SAG-E25 | Libo, Guizhou | 546.3 | 25°27′ | 107°53′ | Roadside | Hexaploid |
| SAG-E26 | Sandu, Guizhou | 740.8 | 25°30′ | 107°31′ | Roadside | Hexaploid |
| SAG-E27 | Congjiang, Guizhou | 180 | 25°47′ | 109°3′ | Riverside | Hexaploid |
| SAG-E28 | Rongjiang, Guizhou | 235 | 25°56′ | 108°31′ | Riverside | Hexaploid |
| SAG-E29 | Nandan, Guangxi | 1127 | 25°6′ | 107°29′ | Riverside | Hexaploid |
| SAG-E30 | Wuzhou, Guangxi | 39 | 23°29′ | 111°15′ | Wasteland | Hexaploid |
| SAG-E31 | Nanning, Guangxi | 89.7 | 22°37′ | 108°23′ | Hillside | Hexaploid |
| SAG-E32 | Zhongshan, Guangxi | 157.6 | 24°27′ | 111°5′ | Wasteland | Hexaploid |
| SAG-E33 | Guilin, Guangxi | 166 | 25°18′ | 110°8′ | Shrub slope | Hexaploid |
| SAG-E34 | Sanjiang, Guangxi | 168 | 25°46′ | 109°38′ | Riverside | Hexaploid |
| SAG-E35 | Gaozhou, Guangdong | 40 | 21°53′ | 110°50′ | Roadside | Tetraploid |
| SAG-E36 | Shuixi, Guangdong | 43 | 21°33′ | 110°00′ | Roadside | Hexaploid |
| SAG-E37 | Leizhou, Guangdong | 38 | 21°20′ | 110°13′ | Roadside | Hexaploid |
| SAG-E38 | Xuwen, Guangdong | 9 | 20°55′ | 110°03′ | Field edge | Hexaploid |
| SAG-E39 | Xinyi, Guangdong | 109.4 | 22°20′ | 110°54′ | Roadside | Hexaploid |
| SAG-E40 | Anding, Hainan | 40 | 19°05′ | 110°10′ | Riverside | Hexaploid |
| SAG-E41 | Dunchang, Hainan | 140 | 19°12′ | 109°59′ | Wasteland | Hexaploid |
| SAG-E42 | Wuzhishan, Hainan | 214 | 18°59′ | 109°33′ | Hillside | Hexaploid |
| SAG-E43 | Baoting, Hainan | 71 | 18°33′ | 109°37′ | Field edge | Hexaploid |
| SAG-E44 | Dongfang, Hainan | -2 | 18°56′ | 108°41′ | Wasteland | Hexaploid |
| SAG-E45 | Sanya, Hainan | 30 | 18°33′ | 109°37′ | Wasteland | Hexaploid |
| SAG-E46 | Changjiang, Hainan | 78 | 19°19′ | 108°58′ | Wasteland | Hexaploid |