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| − | {{Inc| | + | __NOTOC__{{Plantbox |
| − | Celtis occidentalis, Linn. Fig. 868. Large tree, occasionally 120 ft.: branchlets glabrous or slightly pubescent: lvs. oblique and rounded at the base, ovate-acuminate, pubescent when young, usually rough above, sometimes smooth at maturity, usually entire toward the base, light green, 2-6 in. long: fr. orange-red, 1/3-½in. long, on slender pedicel, longer than the petiole. S.S. 7:317. G.F. 3:40 (adapted in Fig. 868) and 43. Em. 304. Mn. 7:231, 233. A.G. 20:240, 531.—Very variable species. Var. crassifolia, Koch (C. crassifolia, Lam.), has firm, very rough and large lvs., to 5 in. long, usually cordate at base and more strongly serrate. Michx. Hist. Arb. 3:228.
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| − | {{Taxobox
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| − | | color = lightgreen
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| | | name = ''Celtis occidentalis'' | | | name = ''Celtis occidentalis'' |
| | + | | common_names = Common hackberry |
| | + | | growth_habit = tree |
| | + | | high = ? <!--- 1m (3 ft) --> |
| | + | | wide = <!--- 65cm (25 inches) --> |
| | + | | origin = N America |
| | + | | poisonous = <!--- indicate parts of plants which are known/thought to be poisonous --> |
| | + | | lifespan = perennial |
| | + | | 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 --> |
| | + | | features = <!--- flowers, fragrance, fruit, naturalizes, invasive --> |
| | + | | hardiness = <!--- frost sensitive, hardy, 5°C (40°F), etc --> |
| | + | | bloom = <!--- seasons which the plant blooms, if it is grown for its flowers --> |
| | + | | usda_zones = ? <!--- eg. 8-11 --> |
| | + | | sunset_zones = <!--- eg. 8, 9, 12-24, not available --> |
| | + | | color = IndianRed |
| | | image = Hackberrybark.jpg | | | image = Hackberrybark.jpg |
| − | | image_width = 240px | + | | image_width = 240px <!--- leave as 240px if horizontal orientation photo, or change to 180px if vertical --> |
| | | image_caption = Young Hackberrys by a stream | | | image_caption = Young Hackberrys by a stream |
| − | | regnum = [[Plant]]ae | + | | regnum = Plantae |
| − | | divisio = [[Flowering plant|Magnoliophyta]] | + | | divisio = Magnoliophyta |
| − | | classis = [[Dicotyledon|Magnoliopsida]] | + | | classis = Magnoliopsida |
| − | | ordo = [[Rosales]] | + | | ordo = Rosales |
| − | | familia = [[Cannabaceae]] | + | | familia = Cannabaceae |
| − | | genus = ''[[Celtis]]'' | + | | genus = Celtis |
| − | | species = '''''C. occidentalis''''' | + | | species = occidentalis |
| − | | binomial = ''Celtis occidentalis''
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| − | | binomial_authority = None yet
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| | }} | | }} |
| − | | + | {{Inc| |
| − | '''''Celtis occidentalis''''', the '''Common hackberry''', is a large [[tree]] native to [[North America]].
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| − | Hackberry is easily distinguished by its cork-like bark with wart-like protuberances. The leaves are distinctly asymmetrical and coarse-textured. It produces small berries that turn orange-red to dark purple. Hackberry is easily confused with [[sugarberry]] (''[[Celtis laevigata]]'') and is most easily distinguished by range and habitat; Hackberry also has wider leaves that are coarser above.
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| − | ==Description==
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| − | A large tree with a slender trunk, rising to the height of one hundred and thirty feet, is the Hackberry in the southern Mississippi valley area, but in the middle states it attains the height of sixty feet with a handsome round-topped head and pendulous branches. It prefers rich moist soil, but will grow on gravelly or rocky hillsides. The roots are fibrous and it grows rapidly.<ref name=Keeler>{{cite book
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| − | | last =Keeler
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| − | | first =Harriet L.
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| − | | title =Our Native Trees and How to Identify Them
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| − | | publisher =Charles Scriber's Sons
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| − | | date =1900
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| − | | location =New York
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| − | | pages =249-252 }}</ref>
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| − | It has an unmistakable bark pattern.
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| − | * Bark: Light brown or silvery gray, broken on the surface into thick appressed scales and sometimes roughened with excrescenses. Branchlets slender, light green at first, finally red brown, at length become dark brown tinged with red.
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| − | * Wood: Light yellow; heavy, soft, coarse-grained, not strong. Used for fencing and cheap furniture. Sp. gr., 0.7287; weight of cu. ft., 45.41 lbs.
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| − | * Winter buds: Axillary, ovate, acute, somewhat flattened, one-fourth of an inch long, light brown. Scales enlarge with the growing shoot, the innermost becoming stipules. No terminal bud is formed.
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| − | * Leaves: Alternate, ovate to ovate-lanceolate, more or less falcate, two and a half to four inches long, one to two inches wide, very oblique at the base, serrate, except at the base which is mostly entire, acute. Three-nerved, midrib and primary veins prominent. They come out of the bud conduplicate with slightly involute margins, pale yellow green, downy; when full grown are thin, bright green, rough above, paler green beneath. In autumn they turn to a light yellow. Petioles slender, slightly grooved, hairy. Stipules varying in form, caducous.
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| − | * Flowers: May, soon after the leaves. Polygamo-monœ cious, greenish. Of three kinds—staminate, pistillate, perfect; born on slender drooping pedicels.
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| − | * Calyx: Light yellow green, five-lobed, divided nearly to the base; lobes linear, acute, more or less cut at the apex, often tipped with hairs, imbricate in bud.
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| − | * Corolla: Wanting.
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| − | * Stamens: Five, hypogynous; filaments white, smooth, slightly flattened and gradually narrowed from base to apex; in the bud incurved, bringing the anthers face to face, as flower opens they abruptly straighten; anthers extrorse, oblong, two-celled; cells opening longitudinally.
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| − | * Pistil: Ovary superior, one-celled; style two-lobed; ovules solitary.
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| − | * Fruit: Fleshy drupe, oblong, one-half to three-fourths of an inch long, tipped with remnants of style, dark purple. Borne on a slender stem; ripesn in September and October. Remains on branches during winter.<ref name=Keeler />
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| − | | |
| − | ==Distribution==
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| | [[Image: Hackberryleaf.jpg|thumb|250px|Young Hackberry leaves]] | | [[Image: Hackberryleaf.jpg|thumb|250px|Young Hackberry leaves]] |
| − | Hackberry is native to North America from southern [[Ontario]] and [[Quebec]], through parts of [[New England]], south to [[North Carolina]]-([[Appalachia]]), west to northern [[Oklahoma]], and north to [[South Dakota]]. Hackberry's range overlaps with the sugarberry (''Celtis laevigata''), making it difficult to establish the exact range of either species in the South.
| + | Celtis occidentalis, Linn. Fig. 868. Large tree, occasionally 120 ft.: branchlets glabrous or slightly pubescent: lvs. oblique and rounded at the base, ovate-acuminate, pubescent when young, usually rough above, sometimes smooth at maturity, usually entire toward the base, light green, 2-6 in. long: fr. orange-red, 1/3-½in. long, on slender pedicel, longer than the petiole. S.S. 7:317. G.F. 3:40 (adapted in Fig. 868) and 43. Em. 304. Mn. 7:231, 233. A.G. 20:240, 531.—Very variable species. Var. crassifolia, Koch (C. crassifolia, Lam.), has firm, very rough and large lvs., to 5 in. long, usually cordate at base and more strongly serrate.{{SCH}} |
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| − | ==Ecology== | + | ==Cultivation== |
| | + | {{edit-cult}}<!--- Type cultivation info below this line, then delete this entire line --> |
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| − | Hackberry grows in many different habitats, although it prefers bottomlands and soils high in limestone. Its shade tolerance is greatly dependent on conditions. In favorable conditions its seedlings will persist under a closed canopy, but in less favorable conditions it can be considered shade intolerant.
| + | ===Propagation=== |
| | + | {{edit-prop}}<!--- Type propagation info below this line, then delete this entire line --> |
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| − | Hackberry is highly susceptible to fire damage. The leaves are eaten by four gall-producing insects of the [[Pachypsylla]] genus, which do not cause serious damage to the tree. A number of insects and fungi cause rapid decay of dead branches or roots of the tree.
| + | ===Pests and diseases=== |
| | + | {{edit-pests}}<!--- Type pest/disease info below this line, then delete this entire line --> |
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| − | The small berries, hackberries, are eaten by a number of birds and mammals. Most seeds are dispersed by animals, but some seeds are also dispersed by water.
| + | ==Species== |
| | + | <!-- This section should be renamed Cultivars if it appears on a page for a species (rather than genus), or perhaps Varieties if there is a mix of cultivars, species, hybrids, etc --> |
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| − | ==Cultivation & Uses== | + | ==Gallery== |
| | + | {{photo-sources}}<!-- remove this line if there are already 3 or more photos in the gallery --> |
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| − | Hackberry's wood is soft and rots easily, making the wood undesirable commercially, although it is occasionally used for furniture or other uses. The berries, although edible, are small and out of reach, and are seldom eaten by humans. Hackberry is only occasionally used as a street or landscaping tree, although its tolerance for urban conditions make it well suited to this role.
| + | <gallery> |
| | + | Image:Upload.png| photo 1 |
| | + | Image:Upload.png| photo 2 |
| | + | Image:Upload.png| photo 3 |
| | + | </gallery> |
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| − | ==History==
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| − |
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| − | Traces of ''Celtis'' have been found in the miocene rock of Europe.<ref name=Keeler />
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| | ==References== | | ==References== |
| − | {{reflist}}
| + | *[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963 |
| | + | <!--- 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 *Sunset National Garden Book. Sunset Books, Inc., 1997. ISBN 0376038608 --> |
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| | ==External links== | | ==External links== |
| − | * [http://www.na.fs.fed.us/spfo/pubs/silvics_manual/volume_2/celtis/occidentalis.htm USDA Forest Service Silvics Manual - Hackberry] | + | *{{wplink}} |
| − | * [http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=233500334 Flora of North America, Profile and map: ''C. occidentalis'']
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| − | * [http://www.efloras.org/object_page.aspx?object_id=5038&flora_id=1 RangeMap:]
| + | {{stub}} |
| − | {{Commons|Celtis occidentalis}} | + | [[Category:Categorize]] |
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| − | [[Category:Cannabaceae]]
| + | <!-- 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! --> |
| − | [[Category:Trees of the Eastern United States|Hackberry, Common]]
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| − | [[Category:Trees of Plains-Midwest U.S.|Hackberry, Common]]
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| − | [[Category:Trees of Appalachia U.S.|Hackberry, Common]]
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| − | [[Category:Trees of Manitoba|Hackberry, Common]]
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| − | [[Category:Trees of Ontario|Hackberry, Common]]
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| − | [[Category:Trees of Quebec|Hackberry, Common]]
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| − | [[Category:Trees of Southeastern Canada|Hackberry, Common]]
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| − | [[Category:Medicinal plants]]
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