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| |familia=Aceraceae | | |familia=Aceraceae |
| |genus=Acer | | |genus=Acer |
− | |species=negundo | + | |species=negundo |
| |common_name=Box elder, Box elder maple, Manitoba maple | | |common_name=Box elder, Box elder maple, Manitoba maple |
| |name_ref=Flora - A Gardener's Encyclopedia | | |name_ref=Flora - A Gardener's Encyclopedia |
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| |usda_ref=Flora - A Gardener's Encyclopedia | | |usda_ref=Flora - A Gardener's Encyclopedia |
| |max_zone=9 | | |max_zone=9 |
− | |image=Upload.png | + | |image=Acer negundo-78.JPG |
| |image_width=240 | | |image_width=240 |
| }} | | }} |
− | __NOTOC__{{Plantbox
| + | '''''Acer negundo''''' is a species of [[maple]] native to [[North America]]. '''Box Elder''', '''Boxelder Maple''', and '''Maple Ash''' are its most common names in the United States. Other variant names -- some of which are regional - include Ash Maple, Ash-leaf Maple, Black Ash, California Boxelder, Cutleaf Maple, Cut-leaved Maple, Negundo Maple, Red River Maple, Stinking Ash, Sugar Ash, Three-leaved Maple, and Western Boxelder. In [[Canada]] it is commonly known as '''Manitoba Maple''' and occasionally as '''Elf Maple'''<ref>[http://cfs.nrcan.gc.ca/index/commtreesprairies/manitobamaple Community trees of the Prairie provinces - Canadian Forest Service<!-- Bot generated title -->]</ref>. In [[Russia]] it is called '''American Maple''' ({{lang-ru|американский клён}}) as well as Ash-leaf Maple ({{lang-ru|клён ясенелистный}}). |
− | | name = ''Acer negundo''
| + | |
− | | common_names = <!--- if multiple, list all, if none, leave blank -->
| + | ''Acer negundo'' is a small, usually fast-growing and fairly short-lived [[tree]] that grows up to 10-25 m tall, with a trunk diameter of 30-50 cm, rarely up to 1 m diameter. It often has several trunks and can form impenetrable thickets.<ref name="gelderen">van Gelderen, C.J. & van Gelderen, D.M. (1999). ''Maples for Gardens: A Color Encyclopedia''.</ref> |
− | | growth_habit = ? <!--- tree, shrub, herbaceous, vine, etc -->
| + | |
− | | high = ? <!--- 1m (3 ft) -->
| + | The shoots are green, often with a whitish to pink or violet [[wax]]y coating when young. Branches are smooth, somewhat brittle, and tend to retain a fresh green colour rather than forming a [[bark]] of dead, protective tissue. The bark on its trunks is pale gray or light brown, deeply cleft into broad ridges, and scaly.<ref name=Keeler /> |
− | | wide = <!--- 65cm (25 inches) -->
| + | |
− | | origin = ? <!--- Mexico, S America, S Europe, garden, etc -->
| + | Unlike most other maples (which usually have [[leaf shape|simple]], [[leaf shape|palmate]]ly [[leaf shape|lobe]]d [[leaf|leaves]]), ''Acer negundo'' has [[leaf shape|pinnate]]ly [[leaf shape|compound]] leaves that usually have three to seven leaflets. Simple leaves are also occasionally present; technically, these are single-leaflet compound leaves. Although some other maples (such as [[Acer griseum|''A. griseum'']], ''[[Acer mandshuricum]]'' and the closely-related [[Acer cissifolium|''A. cissifolium'']]) have [[leaf shape|trifoliate]] leaves, only ''A. negundo'' regularly displays more than three leaflets. |
− | | poisonous = <!--- indicate parts of plants which are known/thought to be poisonous -->
| + | |
− | | lifespan = <!--- perennial, annual, etc -->
| + | The leaflets are about 5-10 cm long and 3-7 cm wide with slightly serrate margins. Leafs have a [[translucence|translucent]] light green colour and turn yellow in the [[Autumn|fall]]. |
− | | exposure = ? <!--- full sun, part-sun, semi-shade, shade, indoors, bright filtered (you may list more than 1) -->
| + | |
− | | water = ? <!--- frequent, regular, moderate, drought tolerant, let dry then soak --> | + | The [[flower]]s are small and appear in early spring on drooping [[raceme]]s 10-20 cm long. The [[seed]]s are paired [[Samara (fruit)|samara]]s, each seed slender, 1-2 cm long, with a 2-3 cm incurved wing; they drop in autumn or they may persist through winter. Seeds are usually both prolific and [[fertile]]. |
− | | features = <!--- flowers, fragrance, fruit, naturalizes, invasive --> | + | |
− | | hardiness = <!--- frost sensitive, hardy, 5°C (40°F), etc --> | + | Unlike most other maples, ''A. negundo'' is fully [[plant sexuality|dioecious]] and both a "male" and "female" tree are needed for either to reproduce. |
− | | bloom = <!--- seasons which the plant blooms, if it is grown for its flowers --> | + | |
− | | usda_zones = ? <!--- eg. 8-11 --> | + | * Winter buds: Terminal buds acute, an eighth of an inch long. Lateral buds obtuse. The inner scales enlarge when spring growth begins and often become an inch long before they fall. |
− | | sunset_zones = <!--- eg. 8, 9, 12-24, not available -->
| + | * Flowers: April, before the leaves, yellow green; staminate flowers in clusters on slender hairy pedicels one and a half to two inches long. Pistillate flowers in narrow drooping racemes. |
− | | color = IndianRed | + | * Calyx: Yellow green; staminate flowers campanulate, five-lobed, hairy. Pistillate flowers smaller, five-parted; disk rudimentary. |
− | | image = Acnegundo.jpg
| + | * Corolla: Wanting. |
− | | image_width = 240px <!--- leave as 240px if horizontal orientation photo, or change to 180px if vertical -->
| + | * Stamens: Four to six, exserted; filaments slender, hairy; anthers linear, connective pointed. |
− | | image_caption = <!--- eg. Cultivated freesias -->
| + | * Pistil: Ovary hairy, borne on disk, partly enclosed by calyx, two-celled, wing-margined. Styles separate at base into two stigmatic lobes. |
− | | regnum = Plantae
| + | * Fruit: Maple keys, full size in early summer. Borne in drooping racemes, pedicels one to two inches long. Key an inch and a half to two inches long, nutlets diverging, wings straight or incurved. September. Seed half an inch long. Cotyledons, thin, narrow.<ref name=Keeler /> |
− | | divisio = Magnoliophyta
| + | |
− | | classis = Magnoliopsida
| |
− | | ordo = Sapindales
| |
− | | familia = Aceraceae
| |
− | | genus = Acer
| |
− | | species = negundo
| |
− | }}
| |
| {{Inc| | | {{Inc| |
| [[Image:Acer-negundo.jpg|thumb|right|''A. negundo'' leaves and seeds]] | | [[Image:Acer-negundo.jpg|thumb|right|''A. negundo'' leaves and seeds]] |
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| {{edit-pests}}<!--- Type pest/disease info below this line, then delete this entire line --> | | {{edit-pests}}<!--- Type pest/disease info below this line, then delete this entire line --> |
| | | |
− | ==Cultivars== | + | ==Varieties== |
| + | Cultivars: |
| *'Auratum' - yellowish leaves with smooth undersides | | *'Auratum' - yellowish leaves with smooth undersides |
| *'Aureomarginatum' - creamy yellow leaf margins | | *'Aureomarginatum' - creamy yellow leaf margins |
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| *'Violaceum' - younger shoots and branches have blueish color | | *'Violaceum' - younger shoots and branches have blueish color |
| | | |
− | ===Subspecies===
| + | Subspecies: |
| + | |
| ''A. negundo'' is often discussed as being comprised of three subspecies, each of which was originally described as a separate species. These are: | | ''A. negundo'' is often discussed as being comprised of three subspecies, each of which was originally described as a separate species. These are: |
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| Finally, note that a few botanists treat Boxelder Maple as its own distinct genus (''Negundo aceroides'') but this is not widely accepted. | | Finally, note that a few botanists treat Boxelder Maple as its own distinct genus (''Negundo aceroides'') but this is not widely accepted. |
| + | |
| | | |
| ==Gallery== | | ==Gallery== |
− | {{photo-sources}}<!-- remove this line if there are already 3 or more photos in the gallery -->
| + | <gallery perrow=5> |
− | | + | Image:Acer negundo californicum Tehachapi.jpg| photo 1 |
− | <gallery> | |
− | Image:Upload.png| photo 1 | |
| Image:Upload.png| photo 2 | | Image:Upload.png| photo 2 |
| Image:Upload.png| photo 3 | | Image:Upload.png| photo 3 |
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| | | |
| ==References== | | ==References== |
− | *[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963
| + | <references/> |
| <!--- xxxxx *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381 --> | | <!--- xxxxx *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381 --> |
| <!--- xxxxx *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432 --> | | <!--- xxxxx *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432 --> |
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| {{stub}} | | {{stub}} |
− | [[Category:Categorize]]
| + | __NOTOC__ |
− | | |
− | <!-- in order to add all the proper categories, go to http://www.plants.am/wiki/Plant_Categories and copy/paste the contents of the page here, and then follow the easy instructions! -->
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