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Acer maximowiczianum

Acer maximowiczianum (*)

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
Species: Acer maximowiczianum

Acer maximowiczianum Miq., Arch. Néerl. Sci. Exact. Nat. 2: 478 (1867).

Acer nikoense (Miq.) Miq., Arch. Neerl. Sci. Exact. Nat. 2: 478 (1867), isonym.
Acer nikoense (Miq.) Maxim., Bull. Acad. Imp. Sci. Saint-Pétersbourg 12: 227 (-228) (1867).
Acer nikoense Maxim., Bull. Acad. Imp. Sci. Saint-Pétersbourg. 12: 227. 13 No. (1867). nom. illeg., superfl.
Note:: Maximowicz cited Negundo? nikoense Miq.” as a synonym for A. nikoense and published the latter name as a new combination. Delendick (Brittonia 32: 286-290. 1980) treated “A. nikoense, Maxim.” as a new species name and excluded the basionym. Delendick’s treatment is in contrary to Melbourne Code Art. 48 and its Note 1 and Art. 7.3. Inadvertently Delendick thus created A. nikoense as a superfluous later homonym.
Acer nikoense var. megalocarpium Rehder, in C.S.Sargent, Pl. Wilson. 1: 98 (1911).
Acer maximowiczianum subsp. megalocarpium (Rehder) A.E.Murray, Kalmia 1: 6 (1969).
Acer nikoense subsp. megalocarpium (Rehder) A.E.Murray, Kalmia 10: 2 (1980).

Additional references

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 Unpublished Ph.D. dissertation, The Pennsylvania State University.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.


USDA, ARS, Germplasm Resources Information Network. Acer maximowiczianum in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service.
Govaerts, R. et al. 2020. Acer maximowiczianum in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2020 January 9. Reference page.
International Plant Names Index. 2020. Acer maximowiczianum. Published online. Accessed: 9 January 2020.

Vernacular names
Deutsch: Nikko-Ahorn
English: Nikko Maple
español: Arce nikko
magyar: Nikkói juhar
日本語: メグスリノキ
polski: Klon trójlistkowy
پنجابی: نکو میپل
русский: Клён Максимовича
Tiếng Việt: Phong Nikko
Acer maximowiczianum (Nikko maple; syn. A. nikoense Maxim.), is a species of maple widely distributed in China (Anhui, Hubei, Hunan, Jiangxi, Sichuan, Zhejiang) and Japan (Honshū, Kyūshū, Shikoku).[1][2]


It is a slender deciduous tree that reaches a height of 15–20 m (49–66 ft) but is usually smaller.[3] It is a trifoliate maple, related to such other species as threeflower maple (Acer triflorum) and paperbark maple (Acer griseum) but has dark gray to blackish bark dissimilar to the exfoliating bark of either.[3]

The leaves have a 3–5 centimeters (1.2–2.0 in) petiole and three leaflets; the leaflets are oblong, 5–15 centimeters (2.0–5.9 in) long and 3–6 centimeters (1.2–2.4 in) broad, with dense, soft pubescence and smooth margins. The hard, horizontally spreading samaras are 3.5–6 centimeters (1.4–2.4 in) long and 1.2 centimeters (0.47 in) broad, and have the same parthenocarpic tendencies as those of A. griseum.[1][3]

The Chinese populations are sometimes treated as a separate subspecies A. maximowiczianum subsp. megalocarpum (Rehder) A.E.Murray, but this is not recognised as distinct by the Flora of China.[1]

Many older texts refer to the species under its synonym A. nikoense Maxim., but as Maximowicz had also cited the name Negundo nikoense Miq. in synonymy, his new name had to be regarded as the same as that under the ICBN. Miquel pointed out that his Negundo nikoense was actually a different plant to the maple Maximowicz had intended to describe, and therefore gave the Nikko Maple a new name, honouring Maximowicz in the process.[4]

Acerogenin M, a cyclic diarylheptanoid, can be found in A. nikoense.[5]

Nikko maple was first introduced to cultivation in 1881, when seeds were imported by the Veitch Nurseries in England,[6] after they were discovered by Charles Maries in the forests of Hokkaidō.[7] It is rarely seen in cultivation outside of arboreta. The largest specimens in England are up to 17 meters (56 ft) tall and 70 centimeters (28 in) trunk diameter.[8] In the United States, a mature specimen may be seen at Arnold Arboretum in Boston, Massachusetts.

Xu, T.-z., Chen, Y., de Jong, P. C., & Oterdoom, H. J. Flora of China: Aceraceae (draft) Archived September 25, 2006, at the Wayback Machine
(in Japanese)Shu Suehiro: Acer maximowiczianum
van Gelderen, C.J. & van Gelderen, D.M. (1999). Maples for Gardens: A Color Encyclopedia.
Clarke, D. L. (1988), in Bean, W. J. Trees and Shrubs Hardy in the British Isles, 8th ed., Supplement.
Acerogenin M, a cyclic diarylheptanoid, and other phenolic compounds from Acer nikoense and their anti-inflammatory and anti-tumor-promoting effects. Akihisa T, Taguchi Y, Yasukawa K, Tokuda H, Akazawa H, Suzuki T and Kimura Y, Chem Pharm Bull, May 2006, volume 54, issue 5, pages 735-739, PMID 16651781
Bean, W. J. (1970). Trees and Shrubs Hardy in the British Isles, 8th ed.
Peter Barnes. "Japan's botanical sunrise – plant exploration around the Meiji Restoration". Archived from the original on 10 October 2008. Retrieved 19 October 2008.
Tree Register of the British Isles

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