[Resource investigation of wild Codonopsis pilosula in Tanchang county of Gansu].

Tanchang county is the distribution of wild medicinal plant resource-rich region, in order to ascertain Tanchang county Codonopsis pilosula wild resources and reserves of the status quo, according to the fourth national Chinese medicine resources survey technology solutions, using sets of plots and investigating combined route survey method, the county wild C. pilosula var. modesta and C.