Gastrodia elata f. glauca
the G. elata Bl. planting base in Jingyu County, Baishan City, Jilin Province, China. Jingyu County locates at 12630'-12716' east diameter, 4206'-4250' north latitude, southeast of Jilin Province, north of Baishan City, west of Changbai Mountain, and on the left bank of the upper reaches of Songhua River.