Pourthiaea is a genus of plants in the rose family (Rosaceae).

[1] Its native range is East Asia and Indo-China.

It is found in the regions of Assam, Bangladesh, (north-central, south-central and southeastern) China, East Himalaya, Japan, Korea, Laos, Myanmar, Taiwan, Thailand, Tibet and Vietnam.

[1] It was later introduced into the American states of Connecticut, Delaware, District of Columbia, New Hampshire, New Jersey, New York, Ohio, Pennsylvania and Washington.

A. Pourthié (1830–1866), a French clergyman and also missionary in Korea.