''Magnolia lotungensis'' (syn. ''Parakmeria lotungensis''), the eastern joy lotus tree, is a species of flowering plant in the family

Magnoliaceae The Magnoliaceae () are a flowering plant family, the magnolia family, in the order Magnoliales. It consists of two genera: ''Magnolia'' and ''Liriodendron'' (tulip trees). Unlike most angiosperms, whose flower parts are in whorls (rings), the ...

, native to southern China, including

Hainan Hainan (, ; ) is the smallest and southernmost province of the People's Republic of China (PRC), consisting of various islands in the South China Sea. , the largest and most populous island in China,The island of Taiwan, which is slightly l ...

. An

androdioecious Androdioecy is a reproductive system characterized by the coexistence of males and hermaphrodites. Androdioecy is rare in comparison with the other major reproductive systems: dioecy, gynodioecy and hermaphroditism. In animals, androdioecy has bee ...

hexaploid Polyploidy is a condition in which the cells of an organism have more than one pair of ( homologous) chromosomes. Most species whose cells have nuclei (eukaryotes) are diploid, meaning they have two sets of chromosomes, where each set contains ...

evergreen tree reaching , it is typically found in forests from above sea level. It is used as a

street tree Urban forestry is the care and management of single trees and tree populations in urban settings for the purpose of improving the urban environment. Urban forestry involves both planning and management, including the programming of care and ...

in a number of southern Chinese cities. Due to its strength, easy maintenance, narrow growth habit with a rounded crown, and cold hardiness, it is showing promise as an ornamental tree in North America and Europe.

References

lotungensis Trees of China Endemic flora of China Flora of South-Central China Flora of Southeast China Flora of Hainan Plants described in 1963 {{Magnoliales-stub