| 词条 | Acer griseum | ||||
| 释义 |
|name = Paperbark maple |image = Acer griseum Morton 836-58-7.jpg |image_caption = Acer griseum at the Morton Arboretum Accession 836-58-7 |genus = Acer |species = griseum |authority = (Franch.) Pax 1902 |synonyms_ref = [1] |synonyms =
}}{{Commons|Acer griseum}}Acer griseum (paperbark maple; {{zh|s=血皮枫|t=血皮楓|p=xuè pí fēng}}) is a species of flowering plant in the family Sapindaceae, native to central China.[2] Acer griseum is found in the Chinese provinces of Gansu, Henan, Hubei, Hunan, Shaanxi, Shanxi and Sichuan, at altitudes of {{convert|1500|-|2000|m|ft|0|abbr=on}}.[2] DescriptionIt is a small to medium-sized deciduous tree, reaching {{convert|6|-|9|m|ft|0|abbr=on}} tall and {{convert|5|-|6|m|ft|0|abbr=on}} wide, with a trunk up to {{convert|70|cm|0|abbr=on}} in circumference.[3] The bark is smooth, shiny orange-red, peeling in thin, papery layers; it may become fissured in old trees. The shoots are densely downy at first, this wearing off by the second or third year and the bark exfoliating by the third or fourth year.[2] The leaves are compound, with a 2–4 cm petiole with three leaflets, each 3–10 cm long and 2–6 cm broad, dark green above, bright glaucous blue-green beneath, with several blunt teeth on the margins.[2] The yellow flowers are androdioecious, produced in small pendent corymbs in spring, the fruit being a paired samara with two winged seeds about 1 cm long with a 3 cm wing.[2][4][5][2] Cultivation and usesAcer griseum was introduced to cultivation in Europe in 1901 by Ernest Henry Wilson for the Veitch Nurseries, and to North America shortly after. It is one of many species of maples widely grown as ornamental plants in temperate regions. It is admired for its decorative exfoliating bark, translucent pieces of which often stay attached to the branches until worn away. It also has spectacular autumn foliage which can include red, orange and pink tones. This plant has gained the Royal Horticultural Society's Award of Garden Merit[6] Recent attempts have been made to acquire new seed stock from wild populations in China because it is believed that the current gene pool of cultivated specimens is very small. Propagation of Acer griseum is somewhat difficult as seeds have the same parthenocarpic tendencies as those of Acer maximowiczianum.[7] Photo galleryReferences1. ^The Plant List, Acer griseum (Franch.) Pax {{Taxonbar|from=Q203985}}2. ^1 2 3 4 5 Flora of China (draft): [https://web.archive.org/web/20060209210809/http://hua.huh.harvard.edu/china/mss/volume11/Aceraceae-AGH_coauthoring.htm Acer griseum] 3. ^http://www.maple-trees.com/pages/paperbark-maple.php 4. ^Rushforth, K. (1999). Trees of Britain and Europe. Collins {{ISBN|0-00-220013-9}}. 5. ^{{cite book|title=RHS A-Z encyclopedia of garden plants|year=2008|publisher=Dorling Kindersley|location=United Kingdom|isbn=1405332964|pages=1136}} 6. ^{{cite web|title=RHS Plant Selector - Acer griseum|url=http://apps.rhs.org.uk/plantselector/plant?plantid=21|accessdate=11 June 2013}} 7. ^van Gelderen, C. J., & van Gelderen, D. M. (1999). Maples for Gardens: A Color Encyclopedia. 3 : Acer|Plants described in 1902|Trees of China |
||||
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。