Fingerroot or Chinese ginger (Boesenbergia rotunda [1]), family Zingiberaceae, is a medicinal and culinary herb from China and Southeast Asia. In Thai cooking it is called krachai. It is sometimes confused with lesser galangal (Alpinia officinarum), also in the Zingiberaceae.
It has also been listed as Boesenbergia pandurata or Kaempferia pandurata.