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Acer capillipes

Acer capillipes (*)

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 capillipes

Acer capillipes Maxim., Bull. Acad. Imp. Sci. Saint-Pétersbourg, sér. 3, 12: 225 (1867).

Acer capillipes

Bark detail of Acer capillipes (*)

Additional references

Ohwi, J. 1965. Flora of Japan (translated by F.G. Meyer & E.M. Walker). 1067 pp. Smithsonian Institution, Washington, D.C. BHL 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 Unpublished Ph.D. dissertation, The Pennsylvania State University.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.
Iwatsuki, K., Boufford, D.E. & Ohba, H. (eds.) 1999. Flora of Japan IIc. Angiospermae, Dicotyledoneae, Archichlamydeae(c). 328 pp., Kodansha Ltd., Tokyo. ISBN 978-4-06-154606-6 Reference page.


USDA, ARS, Germplasm Resources Information Network. Acer capillipes in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 9 January 2020.
Govaerts, R. et al. 2020. Acer capillipes 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 capillipes. Published online. Accessed: 9 January 2020.

Vernacular names
Deutsch: Roter Schlangenhaut-Ahorn
English: Kyushu Maple
français: Érable jaspé de rouge
日本語: ホソエカエデ
Nederlands: Slangenesdoorn
polski: Klon hondoański
русский: Клён змеекорый

Acer capillipes (Kyushu maple or red snakebark maple; Japanese: ホソエカエデ, romanized: hosoekaede), is a maple in the same taxonomic section as other snakebark maples such as A. pensylvanicum, A. davidii and A. rufinerve. It is native to mountainous regions in Japan, on central and southern Honshū (Fukushima Prefecture southwards), Kyūshū and Shikoku islands, usually growing alongside mountain streams.[1][2][3]

It is a small deciduous tree growing to 10–15 m (rarely to 20 m) tall with a trunk up to 70 cm diameter, though usually smaller and often with multiple trunks, and a spreading crown of long, slender branches. The bark is smooth, olive-green with regular narrow vertical white stripes and small horizontal brownish lenticels; it retains its pattern to the base even on old trees. The leaves are 10–15 cm long and 6–12 cm broad, with three or five lobes, the basal lobes of five-lobed leaves being small; they have a serrated margin, conspicuous veining, and a reddish 4–8 cm petiole. They are matt to sub-shiny green in summer, turning to bright yellow, orange or red in the autumn. The flowers are small, greenish-yellow, produced on 8–10 cm racemes in late spring, erect at first but becoming pendulous, with male and female flowers on different racemes. The samara nutlets are 5 mm long, with a 2 cm long wing.[1][2][4][5]

It can be distinguished from the related Acer rufinerve (Japanese, ウリハダカエデ urihadakaede), with which it sometimes grows, by the reddish petioles, the hairless or only thinly hairy leaves (contrasting with the rufous hairs on the underside of A. rufinerve leaves), and in flowering later in spring well after the leaves appear.[1]
Cultivation and uses

It is grown as an ornamental tree for its striped bark and good autumn foliage. When grown together with its close relatives, it may be distinguished from them by the additional presence of small, rust-orange spots on the bark.[4] Hybrids with A. davidii are frequent in cultivation.[5]

This plant has gained the Royal Horticultural Society's Award of Garden Merit.[6]
Wikimedia Commons has media related to Acer capillipes.

Kanagawa Prefecture trees and shrubs: Acer capillipes Archived 2009-10-24 at WebCite (in Japanese; google translation). Archived 2009-10-24.
Flowers of University of Tsukuba: Acer capillipes (in Japanese; google translation)
"Acer capillipes". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 12 January 2018.
van Gelderen, C. J. & van Gelderen, D. M. (1999). Maples for Gardens: A Color Encyclopedia
Rushforth, K. (1999). Trees of Britain and Europe. Collins ISBN 0-00-220013-9.
RHS Plant Selector Acer capillipes AGM / RHS Gardening

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