BACKGROUND
Ligularia przewalskii (Maxim.) Diels (LP) (called zhangyetuowu in Chinese), is generally found in moist forest areas in the western regions of China. The root, leaves and flower of LP are utilized as a common traditional medicine in China. It has been utilized conventionally in herbal
OBJECTIVE
To investigate the species of Ligularia distributed in the northwestern China and their medicinal uses in the local area.
METHODS
Field investigation, specimen collection, taxonomic study and datum check were adopted.
RESULTS
There are 29 species and 1 varieties of Ligularia distributed in