Indicative of its familiarity to many people around a considerable geographic range, A. negundo has numerous widespread names.
Despite the fact that indigenous to North The usa, it is considered a weedy species in some parts, such as in parts of the Northeastern U.s., and it has greater tremendously in these parts.[sixteen] In 1928, Joseph Illick, Main forester for that condition of Pennsylvania, wrote in Pennsylvania Trees[citation necessary] that box elder was "exceptional and localized" within the state.
Ingestion of enough portions of box elder seeds or other aspects of the plant ends in breakdown of respiratory, postural, and cardiac muscles. the reason for SPM was mysterious for centuries Regardless of the ailment becoming renowned amongst afflicted areas and was only positively identified inside the twenty first century.[21][22][23] it really is analogous to Jamaican vomiting sickness in human beings, also caused by hypoglycin A.
The names "box elder" and "boxelder maple" are based on the similarity of its whitish Wooden to that of boxwood plus the similarity of its pinnately compound leaves to Those people of some species of elder.[8]
it's got also grow to be naturalized in japanese China,[four] is stated as a pest invasive species in a lot of the cooler regions of the Australian continent, and is invasive inside the Rio de la Plata place.[citation desired]
This reference is retained for instance of the confusion which arises when vegetation for instance a. negundo are reviewed by other than their scientific names. ^
just after entire world War II, box elder's speedy advancement manufactured it a well known landscaping tree in suburban housing developments Even with its bad variety, vulnerability to storm hurt, and inclination to bring in big quantities of box elder bugs. Intentional cultivation has Hence designed the tree a great deal more ample than it when was.[citation essential]
A protoxin current from the seeds of Acer negundo, hypoglycin A, continues to be determined as A significant possibility issue for, And maybe the cause of, a disease in horses, seasonal pasture myopathy (SPM). SPM is an equine neurological disease which occurs seasonally in specified regions of North The united states and Europe, with symptoms together with stiffness, trouble going for walks or standing, dark urine and eventually respiratory promptly and becoming recumbent.
tiny galls are formed over the leaves by a bladder mite, Aceria negundi. A gall midge, Contarinia negundinis joins and enlarges the galls of Aceria negundi. The midge in some cases creates a individual, tubular gall on the midrib or veins of the undersides of your leaves.[seventeen]
"Windsor Plywood". a few of the widespread names supplied Within this reference are questionable, "stinking ash" and "black ash" generally consult with Ptelea trifoliata and Fraxinus nigra, respectively.
Acer negundo is commonly divided into three or even more subspecies, a few of which had been initially referred to as individual species. These are:[fifteen]
it may possibly immediately colonize both cultivated and uncultivated spots along with the array is hence expanding both in North The united states and elsewhere. In Europe where by it was introduced in 1688 to be a park tree it is ready to distribute rapidly and is considered an invasive species in elements of Central Europe, like Germany, the Czech Republic, Hungary, Slovenia, Poland and Russia exactly where it might type mass progress in lowlands, disturbed locations, and riparian biomes on calcareous soils.
Heartwood of Acer negundo with red stain Even though its light-weight, close-grained, delicate Wooden is considered unwanted for most commercial takes advantage of, this tree continues to be regarded as a supply of Wooden fiber, for use in fiberboard.
The shoots are green, typically that has a whitish to pink or violet waxy coating when younger. Branches are sleek, fairly brittle, and have a tendency to keep a fresh environmentally friendly color as opposed to forming a bark of dead, protecting tissue. The bark on its trunks is pale grey or gentle brown, deeply cleft into broad ridges, and scaly.[6]
'Variegatum' cultivar with white-margined leaves Even though its weak Wooden, irregular kind, and prolific seeding might ensure check here it is seem to be a bad choice for a landscape tree, A.
rising as being a weed in pavement crack in Russia Acer negundo is indigenous throughout A lot of the United States (generally in the east)[seven] and south-central copyright, and can be found as far south as Guatemala.
Some authors further subdivide A. negundo subsp. negundo into numerous regional versions but these intergrade and their routine maintenance as distinctive taxa is disputed by several. Even the dissimilarities between identified subspecies are most likely a subject of gradient speciation.[citation wanted]
This species prefers vivid sunlight. It often grows on flood plains along with other disturbed locations with enough water supply, for instance riparian habitats.[seventeen] Human impact has tremendously favored this species; it grows around residences and in hedges, and on disturbed ground and vacant lots.
The wood continues to be used for a variety of functions by Native Individuals, like via the Navajo to create tubes for bellows,[twenty five] with the Cheyenne for making bowls,[26] and through the native peoples of Montana who use the massive trunk burls or knots to help make bowls, dishes, drums, and pipe stems.[27] The Tewa use the twigs as pipe stems[28] and also the Keres make the twigs into prayer sticks.[29]
Because of its leaflets' superficial similarity to Those people of poison ivy, Acer negundo saplings tend to be mistaken for the allergenic plant. though each poison ivy and Acer negundo have compound leaves composed of three leaflets with ragged edges, Acer negundo reveals an opposite branching sample, versus the alternating sample of poison ivy.