The photo showing is actually used as shokyo (“fresh ginger” or “Dried fresh ginger”) in Kampo.
Chinese: gan jiang
English: dried ginger
Pharmaceutical: Zingiberis Rhizoma
Properties: Acrid, hot
Standard Species: Zingiber officinale (Willd.) Rosc.
Note: In Japanese Kampo, Kankyo is a form of prepared ginger involving steaming the fresh ginger. In TCM however, gan jiang is simply a dried ginger, which is used as the fresh ginger in Kampo. (see also the note under shokyo).