Английская Википедия:Elaeocarpus sylvestris
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Elaeocarpus sylvestris, the woodland elaeocarpus, is a tree species in the genus Elaeocarpus.
Distribution
The woodland elaeocarpus is found in China (Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi, Sichuan, Yunnan, Zhejiang), Japan, Korea, Taiwan and Vietnam (Indochina).
Description
The tree is up to 15 m and is found in evergreen forests at altitudes comprised between 300 and 2000 m. The evergreen shiny leaves are oblanceolate. The greeny-white flowers are grouped in racemes and are followed by black olive-like fruit in autumn.
Uses
The fruits of the woodland elaeocarpus are edible. The oil from the seeds may be processed into soap or lubricants. The bark may be used as a source for dye. The wood does not resist water, so it is not considered good timber, but it is used for growing shiitake mushrooms.[1]
It is also planted along streets and in parks.
Ecology
The larvae of the moth Leucoblepsis excisa feed on the leaves of E. sylvestris. In urban forests of Kamakura, Kanagawa, Japan, the Formosan squirrel (Callosciurus erythraeus taiwanensis) is a pest to the tree because of its gnawing habit.[2]
Woodland elaeocarpus in susceptible to Elaeocarpus yellows, a disease discovered in 1999[3][4] and a type of Phytoplasma disease, which causes a chlorosis (Japanese: 萎黄病 io-byo)[5] of the plant.[6] Oxytetracycline has been used to fight the pathogen.[4][6]
Chemistry
This species contains the gallotannin 1,2,3,4,6-penta-O-galloyl-beta-D-glucose, a compound that may be used in radioprotection.[7] It also contains elaeocarpusin, a molecule with a unique acid ester group probably derived by a condensation of a hexahydroxydiphenoyl group and dehydroascorbic acid attached to the 2,4-positions of 1-O-galloyl- 3,6-(R)-hexahydroxydiphenoyl-D-glucopyranose (corilagin).[8]
Symbolism
The horutonoki (Elaeocarpus sylvestris var. ellipticus) is the tree symbol of Japanese city Urasoe, Okinawa. Wild Dampalsu trees (Elaeocarpus sylvestris var. ellipticus) in Cheonjiyeon Waterfall are South Korean Natural Monument no. 163.[9]
Gallery
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var. ellipticus
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var. ellipticus
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var. ellipticus
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var. ellipticus
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var. ellipticus
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var. ellipticus
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var. ellipticus
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var. ellipticus
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var. ellipticus.
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var. ellipticus. Hampyung, Korea
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This big Elaeocarpus sylvestris tree is located in Hihayo Tenjin Shrine, Ito city, Shizuoka Prefecture, Japan. It's Japan biggest Elaeocarpus sylvestris.
See also
- Liothrips horutonoki, a thrips species in the genus Liothrips
References
External links
- ↑ Woodland elaeocarpus at taipei-expopark.tw
- ↑ Line census and gnawing damage of introduced Formosan squirrels (Callosciurus erythraeus taiwanensis) in urban forests of Kamakura, Kanagawa, Japan. Masato Hori, Masao Yamada and Noriyuki Tsunoda, in Koike, F., Clout, M.N., Kawamichi, M., De Poorter, M. and Iwatsuki, K. (eds), Assessment and Control of Biological Invasion Risks. Shoukadoh Book Sellers, Kyoto, Japan and IUCN, Gland, Switzerland, 2006, pages 204-209 (article Шаблон:Webarchive)
- ↑ Шаблон:Cite journal
- ↑ 4,0 4,1 Шаблон:Cite journal
- ↑ Elaeocarpus yellows at gene.affrc.go.jp
- ↑ 6,0 6,1 Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite web
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