Английская Википедия:Acer sieboldianum
Шаблон:Short description Шаблон:Speciesbox
Acer sieboldianum (Siebold's maple; Шаблон:Lang-ja) is a species of maple native to Japan and common in the forests of Hokkaidō, Honshū, Shikoku and Kyūshū Islands; in the south of the range it is restricted to mountain forests.[1] It is named after Philipp Franz von Siebold.
Description
It is a slow-growing, small to medium-sized deciduous tree growing to Шаблон:Convert tall, with smooth grey-brown bark. The young shoots are green to red, thinly covered with white hairs in their first year. The leaves are mid to dark green, Шаблон:Convert long and Шаблон:Convert broad with a Шаблон:Convert petiole, and palmately lobed with nine to eleven (occasionally just seven) lobes. The young leaves in spring are downy with white hairs, with the petiole and veins on the underside of the leaf remaining hairy all summer, a feature useful in distinguishing it from the related Acer palmatum. In autumn, the leaves turn bright orange to red. The flowers are pale yellow, produced in corymbs of 10–15 together; it is andromonoecious, with inflorescences containing flowers with either both sexes, or just male. The fruit is a paired samara, the pair spreading horizontally, each seed with a Шаблон:Convert wing. Flowering is in late spring, with fruit maturation in early autumn.[1][2][3][4]
The smooth bark and yellow flowers help distinguish it from the closely related Acer japonicum (Japanese, hauchiwakaede), which has rough, scaly bark, and red flowers, while the hairy stems and yellow flowers distinguish it from Acer shirasawanum (Japanese, ooitayameigetsu; with hairless stems and red flowers).[3][5]
Cultivation
Siebold's maple is not as rare in cultivation as it seems. Specimens are often mistaken for and mislabeled as similar species in the series Palmata, such as Acer japonicum, Acer shirasawanum and Acer palmatum; it is also sometimes confused with Acer pseudosieboldianum (Korean Maple or Keijo Maple), a closely related species from the adjacent mainland of northeastern Asia.[4]
Several cultivars have been selected, most only rarely seen outside Japan. Cultivars include 'Kinugasa yama', 'Mi yama nishiki', 'Ogura yama', 'Sode no uchi' and 'Osiris'.[4][6]
References
- ↑ 1,0 1,1 Kobe city: Acer sieboldianum Шаблон:Webarchive (in Japanese; google translation)
- ↑ Okayama science university: Acer sieboldianum (in Japanese; google translation)
- ↑ 3,0 3,1 Kanagawa Prefecture trees and shrubs: Acer sieboldianum Шаблон:Webarchive (in Japanese; google translation). Archived 2009-10-24.
- ↑ 4,0 4,1 4,2 van Gelderen, C.J. & van Gelderen, D.M. (1999). Maples for Gardens: A Color Encyclopedia.
- ↑ Japanese mountain plants: kohauchiwakaede (in Japanese; google translation)
- ↑ de Jong, P. (2007). Parels uit het Von Gimborn Arboretum (23) - Acer sieboldianum 'Osiris'. Hortus (Utrecht) 26 (2).
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