Acer pseudosieboldianum (commonly known as Korean Maple), with chromosome numbers 2n = 2x = 26, is a precious deciduous tree and is only naturally distributed in Northeast China, the Russian Far East and the northern Korean Peninsula. As an important colored-leaf plant, it has been used for landscaping because of its beautiful samara and extremely red leaves in autumn, thus, it is considered one of the most promising native tree species for landscaping in Northeast China. Moreover, A. pseudosieboldianum is mainly distributed in cold temperate zones and can withstand temperatures lower than −30°C in winter in Northeast China. It is also endowed with unique adaptability and cold resistance compared with related Acer species (Li et al., 2022).