''Chosenia arbutifolia'' (syn. ''Salix arbutifolia'' Pall.)Skvortsov, A. K. 1957. Commentationes de morphologia et systematica salicarum. IV. On the correct species epithet for ''Chosenia''. — Bot. mat. Gerb. Bot. in-ta AN SSSR 18: 42–47. is a

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

in the family

Salicaceae The Salicaceae is the willow family of flowering plants. The traditional family (Salicaceae ''sensu stricto'') included the willows, poplar, aspen, and cottonwoods. Genetic studies summarized by the Angiosperm Phylogeny Group (APG) have greatly ...

, native to

Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...

Northeast China Northeast China or Northeastern China () is a geographical region of China, which is often referred to as "Manchuria" or "Inner Manchuria" by surrounding countries and the West. It usually corresponds specifically to the three provinces east of ...

Sakhalin Sakhalin ( rus, Сахали́н, r=Sakhalín, p=səxɐˈlʲin; ja, 樺太 ''Karafuto''; zh, c=, p=Kùyèdǎo, s=库页岛, t=庫頁島; Manchu: ᠰᠠᡥᠠᠯᡳᠶᠠᠨ, ''Sahaliyan''; Orok: Бугата на̄, ''Bugata nā''; Nivkh ...

Kamchatka The Kamchatka Peninsula (russian: полуостров Камчатка, Poluostrov Kamchatka, ) is a peninsula in the Russian Far East, with an area of about . The Pacific Ocean and the Sea of Okhotsk make up the peninsula's eastern and west ...

and the

Russian Far East The Russian Far East (russian: Дальний Восток России, r=Dal'niy Vostok Rossii, p=ˈdalʲnʲɪj vɐˈstok rɐˈsʲiɪ) is a region in Northeast Asia. It is the easternmost part of Russia and the Asian continent; and is admin ...

. Its name is taken from the Joseon dynasty which ruled Korea until 1897. It is the sole member of genus ''Chosenia'', but is included within the closely related genus ''

Salix Willows, also called sallows and osiers, from the genus ''Salix'', comprise around 400 speciesMabberley, D.J. 1997. The Plant Book, Cambridge University Press #2: Cambridge. of typically deciduous trees and shrubs, found primarily on moist s ...

'' by some authors.Flora of China
''Chosenia arbutifolia''
/ref>Salicicola Articles
''Chosenia'' I, II
/ref>Korean Plant Names Index
''Salix arbutifolia''
/ref> It is a

deciduous In the fields of horticulture and Botany, the term ''deciduous'' () means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed leaves, usually in the autumn; to the shedding of petals, ...

willow Willows, also called sallows and osiers, from the genus ''Salix'', comprise around 400 speciesMabberley, D.J. 1997. The Plant Book, Cambridge University Press #2: Cambridge. of typically deciduous trees and shrubs, found primarily on moist so ...

-like wind-pollinated tree generally reaching a height of 20–30 m with a columnar crown and grey-brown peeling bark. The leaves are 5–8 cm long and 1.5-2.3 cm broad, with a very finely serrated to nearly entire margin, and an acuminate apex. The

flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechani ...

s are aggregated in pendulous catkins 1–3 cm long; it is dioecious, with male and female flowers on separate trees. Chosenias are fast-growing pioneer trees on sand and pebble river banks. Traditionally distributed alongside mountain river banks, owing to its favorable characteristics such as strong stress resistance and fast growth it would be useful for landscape planting, but is hard to propagate and has been categorized as endangered in China. A high-quality chromosome-level genome has been produced with a total size of 338.93 Mb to provide comprehensive information for

germplasm Germplasm are living genetic resources such as seeds or tissues that are maintained for the purpose of animal and plant breeding, preservation, and other research uses. These resources may take the form of seed collections stored in seed banks, t ...

protection and future functional genomic studies.

References

{{Taxonbar, from=Q1365023 Salicaceae Monotypic Malpighiales genera Flora of Northeast Asia Trees of Korea Flora of Korea Trees of continental subarctic climate Vulnerable plants Taxa named by Takenoshin Nakai