Part of order Saxifragales.

Native to 🇨🇳 China and 🇯🇵 Japan.  There, it is used to make furniture.  Elsewhere, sometimes planted as an ornamental, due to interesting foliage, and caramel scent in late in the growing season.

Uses by native peoples
(Ethnobotany database)
  On No-Plant List by Seneca Nation of Indians.  Adobe Acrobat Reader file (page 60)

Learn more about katsura Cercidiphyllum japonicum

🔍︎ 🔍︎ images Discover Life Encyclopedia of Life MSUE tip sheet Missouri Botanical Garden NRCS PLANTS db Wikipedia