Acer maximowiczianum
Acer maximowiczianum
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Acer maximowiczianum | |
|---|---|
 | |
| Foliage in autumn | |
Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Rosids |
| Order: | Sapindales |
| Family: | Sapindaceae[1] |
| Genus: | Acer |
| Species: | A. maximowiczianum |
Binomial name | |
Acer maximowiczianum Miq. | |
Synonyms | |
Acer nikoense | |
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).[2][3]
It is a slender deciduous tree that reaches a height of 15–20 m (49–66 ft) but is usually smaller.[4] 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.[4]
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.[2][4]
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.[2]
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.[5]
Acerogenin M, a cyclic diarylheptanoid, can be found in A. nikoense.[6]
Cultivation[edit]
Nikko Maple was first introduced to cultivation in 1881, when seeds were imported by the Veitch Nurseries in England,[7] after they were discovered by Charles Maries in the forests of Hokkaidō.[8] 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.[9] In the United States, a mature specimen may be seen at Arnold Arboretum in Boston, Massachusetts.
References[edit]
^ Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 9, June 2008 [and more or less continuously updated since]. http://www.mobot.org/MOBOT/research/APweb/.
^ abc 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
^ abc 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, .mw-parser-output cite.citationfont-style:inherit.mw-parser-output .citation qquotes:"""""""'""'".mw-parser-output .citation .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-ws-icon abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center.mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-maintdisplay:none;color:#33aa33;margin-left:0.3em.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em
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". www.barnes-botany.co.uk. Archived from the original on 10 October 2008. Retrieved 19 October 2008.
^ Tree Register of the British Isles
External links[edit]
 | Wikimedia Commons has media related to Acer maximowiczianum. |
- Nikko Maple image
Categories:
- Acer
- Flora of Asia
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