Dichroa febrifuga

Dichroa febrifuga (Chinese: 常山; pinyin: chángshān (help·info)) is a flowering plant in the family Hydrangeaceae. In Indonesiann it is called gigil, alternatively tataruman in Sundanese, ramram in Papua, Hom dong (ฮอมดง) in Thai, but Yai khlang yai (ยายคลังใหญ่) in Nakhon Sri Thammarat, Yai Krang (ยายกรัง) in the South, and Hom Kham (ฮอมคำ) in Lanna (Northern Thai). Dichroa febrifuga is an important herb in traditional Chinese medicine, where it is considered one of the 50 fundamental herbs. The alkaloids febrifugine and isofebrifugine are believed to be responsible for its antimalarial effects. In traditional preparations, it is used in conjunction with other plants such as Glycyrrhiza glabra (licorice), Ziziphus jujube and Zingiber officinale (ginger).