Table 1.

Geographical information of 18 RPM samples

No.	Source	Longitude	Latitude
S1	Cultivated in Xinzhou town, Huangping county, Guizhou province	107.92213	26.98450
S2	Wild, Xinzhou town, Huangping county, Guizhou province	107.92213	26.99918
S3	Wangsi town, Duyun county, Guizhou province	107.51576	26.30596
S4	Huaxi district, Guiyang city, Guizhou province	107.27755	26.73151
S5	Cultivated in Meitan county, Zunyi city, Guizhou province for 2 years	107.45728	28.02350
S6	Cultivated in Meitan county, Zunyi city, Guizhou province for 3 years	107.45728	28.02350
S7	Guizhou Academy of Agricultural Sciences (Huaxi district, Guiyang city, Guizhou province)	107.27755	26.73151
S8	Baiduo village, Shibing county, Guizhou province for 2 years	108.15923	27.14368
S9	Baiduo village, Shibing county, Guizhou province for 3 years	108.15923	27.14368
S10	Niudachang town, Shibing county, Guizhou province for 2 years	107.92594	27.14054
S11	Niudachang town, Shibing county, Guizhou province for 3 years	107.92594	27.14054
S12	Wild, Shibing county, Guizhou province	108.06787	27.12923
S13	Changhao Chinese Medicine Development Co., Ltd. (Shibing county, Guizhou province)	107.94637	26.55361
S14	Zhenjiang town, Gaozhou city, Guangdong province	110.84849	21.94484
S15	Shigu town, Gaozhou city, Guangdong province	110.86943	21.95980
S16	Yangchun city, Guangdong province	111.79154	22.17044
S17	Luanchuan county, Luoyang city, Henan province	111.61577	33.78570
S18	Panzhihua city, Miyi county, Sichuan province	102.11034	26.89069