Fine Art

Korean Maple flowers

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids II
Ordo: Sapindales

Familia: Sapindaceae
Subfamilia: Hippocastanoideae
Tribus: Acereae
Genus: Acer
Section: Acer sect. Palmata
Species: Acer pseudosieboldianum
Subspecies: A. p. subsp. pseudosieboldianum – A. p. subsp. takesimense

Acer pseudosieboldianum (Pax) Kom., Trudy Imp. S.-Peterburgsk. Bot. Sada 22: 725 (1903).
Additional references

Komarov, V.L. et al. (eds.). 1934–1964. Flora SSSR. 30 vols. Moscow/Leningrad: Botanicheskii institut, Izdatel'stvo Akademii Nauk SSSR. Reference page.
Murray, A.E., 1970. A monograph of the Aceraceae. Unpublished Ph.D. dissertation, The Pennsylvania State University. Reference page.
Gelderen, D.M. van, Jong, & Oterdoom, H.J. 1994. Maples of the world. Timber Press, Portland, Or., 458 pp. ISBN 0-88192-000-2. Reference page.
Govaerts, R.H.A. 1995. World Checklist of Seed Plants 1(1, 2). 483, 529 pp. MIM, Deurne. ISBN 90-341-0852-X (issue 1) ISBN 90-341-0853-8 (issue 2). Reference page.
Hsu, T.Z., Chen, Y.S., Jong,, Oterdoom, H.J. & Chang, C.S. 2008. Acer. Pp. 537 in Wu, Zh.Y. , Raven, P.H. & Hong, D.Y. (eds.), Flora of China. Volume 11: Oxalidaceae through Aceraceae. Science Press, Beijing & Missouri Botanical Garden Press, St. Louis, ISBN 978-1-930723-73-3. efloras PDF Reference page.
Chang, C.S., Kim, H. & Chang, K.S. 2014. Provisional checklist of vascular plants for the Korea peninsula flora (KPF). 563 p. Seoul: T.B. Lee Herbarium. PDF Reference page.
De Langhe, J. & Crowley, D. 2017. Acer and Dipteronia: vegetative key to species in cultivation. Ghent University Botanical Garden: 222 p., pdf. Reference page.


USDA, ARS, Germplasm Resources Information Network. Acer pseudosieboldianum in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 08-Apr-12.

Chen, Y., Gibbs, D. & Oldfield, S. 2018. Acer pseudosieboldianum. The IUCN Red List of Threatened Species 2018. IUCN Red List Category: Least Concern. DOI: 10.2305/IUCN.UK.2018-1.RLTS.T193857A2286750.en.
Govaerts, R. et al. 2020. Acer pseudosieboldianum in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2020 January 16. Reference page.
International Plant Names Index. 2020. Acer pseudosieboldianum. Published online. Accessed: 16 January 2020.

Vernacular names
Deutsch: Koreanischer Fächer-Ahorn
English: Keijo Maple
中文: 紫花枫

Acer pseudosieboldianum, the Korean maple or purplebloom maple, is a species of maple. It is native to northeastern China, Korea, and the Russian Far East.[2][3]


Acer pseudosieboldianum is a small tree or shrub. It is deciduous. It grows about 12 to 18 inches per year. The mature tree is 15 to 25 feet tall.[4][5]

The leaves are 4 to 6 inches wide and have usually 9 to 11 lobes. The green leaves turn shades of red, yellow, and orange in fall. This species exhibits Marcescence (tends to hold on to a portion of its dried leaves through the winter). The flowers are white with purple bracts. New growth is coated in white, sticky hairs. This characteristic distinguishes the plant from the similar Acer sieboldianum, which lacks hairs.[6]

The bark of the plant is thin and easily damaged by mechanical injury or in harsh weather. Tears in the bark make it vulnerable to insect and fungal infestation. The species is susceptible to canker and Verticillium wilt when stressed.

The Korean maple is cultivated as an ornamental plant. It withstands a cold climate better than the comparable Japanese maple. It has been grown in North Dakota, where it has done well in temperatures as low -43 °F.[2] The species has been hybridized with Japanese Maple at the University of Wisconsin to produce a cold hardy tree with intermediate characteristics between the two parents. This hybrid has been named Acer pseudosieboldianum × palmatum 'Hasselkus' and marketed under the trade name Northern Glow®.

The Plant List, Acer pseudosieboldianum (Pax) Kom.
Hokanson, S. Acer pseudosieboldianum - A Japanese-like maple for the North? Archived March 22, 2012, at the Wayback Machine Yard & Garden Line News 5(15) September 15, 2003. University of Minnesota Extension.
"Acer pseudosieboldianum". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 19 January 2018.
Cultural Details for Acer pseudosieboldianum. Archived 2011-09-05 at the Wayback Machine Boone County Arboretum. Union, Kentucky, USA.
Flora of China, Acer pseudosieboldianum (Pax) Komarov, 1904. 紫花枫 zi hua feng
Komarov, Vladimir Leontjevich 1904. Trudy Imperatorskago S.-Peterburgskago Botaničeskago Sada 22: 725-727 in Russian

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