Celtis sinensis (English: Japanese hackberry,[1] Chinese hackberry; Chinese: Chinese: 朴树 ; Japanese: [[:ja:榎|榎]]) is a species of flowering plant in the hemp family, Cannabaceae, that is native to slopes in East Asia.
It is a tree that grows to 20 m tall, with deciduous leaves and gray bark. The fruit is a globose drupe, 5–7(–8) mm in diameter. Flowering occurs in March–April, and fruiting in September–October, in the Northern hemisphere.
Native to slopes at altitudes of 100–1500 m in Anhui, Fujian, Gansu, Guangdong, Guizhou, Henan, Jiangsu, Jiangxi, Shandong, Zhejiang, Sichuan, as well as Korea (팽나무), Japan and Taiwan. Leaves and bark are used in Korean medicine to treat menstruation and lung abscess.[2] It is a naturalized non-invasive species in North America. It is a declared noxious weed in many parts of eastern Australia,[3] where its seeds are spread by birds, fruit bats and water in riparian zones, roadsides, urban bushland, open woodlands, rainforest margins, waste areas, disturbed sites, parks and gardens, in sub-tropical and warm temperate regions.
As an ornamental plant, it is used in classical East Asian garden design.