Eucommia ulmoides Oliver, belonging to the monotypic family Eucommiaceae, is a woody perennial dioecious species that is native to China and is widely distributed across the temperate zone in central and eastern areas, such as Shanxi, Henan, Anhui, Zhejiang, Guangxi, Hunan, Guizhou, Sichuan, and Hubei provinces. E. ulmoides inhabits mixed mesophytic forest habitats of valleys, hills, and low mountains. The fossil record of Eucommia indicates that several species are included in this genus and that Eucommia species were widely distributed in North America during the Cenozoic period. A previous study also reported that E. ulmoides may now be extinct in the wild, and E. ulmoides was included in the Red List of Endangered Plant Species in China.

Year: 2016 

Institution: Non-timber Forestry Research and Development Center of Chinese Academy of Forestry, Zhengzhou 450003, Henan, China

Material:  Yunnan, China

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