Pourthiaea is a genus of plants in the rose family (Rosaceae). 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. It was later introduced into the American states of Connecticut, Delaware, District of Columbia, New Hampshire, New Jersey, New York, Ohio, Pennsylvania and Washington. The genus name of Pourthiaea is in honour of J. A. Pourthié (1830–1866), a French clergyman and also missionary in Korea. It was first described and published in Nouv. Arch. Mus. Hist. Nat. Vol.10 on page 146 in 1874.

Known species

According to Kew;