OBJECTIVETo investigate the origin of medicinal plants in Guizhou province, revise the incorrectly recorded species, and correct the erroneous and incomplete Latin names.

METHODExamination was implemented on species, Latin name and geographical distribution of medicinal plants recorded in 'Medicinal Material Resources of Guizhou'.

RESULTIt was found that 98 species and 4 varieties were absent in Guizhou province or their Latin names were incorrect in 17 families.

CONCLUSIONThe origin of medicinal plants in Guizhou province was studied and the incorrect Latin names were revised. It provides a basis for standardization of medicinal plants in Guizhou province.