Indicative of its familiarity to Lots of individuals more than a considerable geographic selection, A. negundo has several common names.
Although native to North The us, it is considered a weedy species in a few parts, including in parts of the Northeastern U . s ., and has amplified greatly in these places.[sixteen] In 1928, Joseph Illick, Main forester for that condition of Pennsylvania, wrote in Pennsylvania Trees[citation required] that box elder was "scarce and localized" inside the point out.
Ingestion of ample quantities of box elder seeds or other areas of the plant ends in breakdown of respiratory, postural, and cardiac muscles. the reason for SPM was unidentified for centuries despite the ailment remaining recognized among the affected areas and was only positively identified during the 21st century.[21][22][23] it's analogous to Jamaican vomiting sickness in individuals, also brought on by hypoglycin A.
The names "box elder" and "boxelder maple" are based mostly upon the similarity of its whitish wood to that of boxwood as well as similarity of its pinnately compound leaves to Those people of some species of elder.[8]
it's also come to be naturalized in jap China,[4] is mentioned as a pest invasive species in some of the cooler areas of the Australian continent, which is invasive within the Rio de la Plata region.[citation essential]
This reference is retained for example on the confusion which arises when crops like a. negundo are mentioned by other than their scientific names. ^
immediately after World War II, box elder's swift progress produced it a popular landscaping tree in suburban housing developments Inspite of its very poor type, vulnerability to storm destruction, and inclination to entice significant quantities of box elder bugs. Intentional cultivation has So designed the tree way more abundant than it the moment was.[citation wanted]
A protoxin present while in the seeds of Acer negundo, hypoglycin A, continues to be determined as a major danger aspect for, and possibly the cause of, a illness in horses, seasonal pasture myopathy (SPM). SPM is really an equine neurological disease which happens seasonally in specified regions of North America and Europe, with indicators together with stiffness, problems going for walks or standing, dark urine and at some point breathing promptly and getting to be recumbent.
modest galls are fashioned within the leaves by a bladder mite, Aceria negundi. A gall midge, Contarinia negundinis joins and enlarges the galls of Aceria negundi. The midge often creates a independent, tubular gall to the midrib or veins of the undersides from the leaves.[17]
"Windsor Plywood". several of the frequent names provided In this particular reference are questionable, "stinking ash" and "black ash" normally refer to Ptelea trifoliata and Fraxinus nigra, respectively.
Acer negundo is frequently divided into three or more subspecies, a few of which were originally described as independent species. these are definitely:[15]
It can promptly colonize both cultivated and uncultivated locations and the variety is consequently increasing both in North The us and elsewhere. In Europe in which it was launched in 1688 for a park tree it is able to distribute immediately and is taken into account an invasive species in areas of Central Europe, such as Germany, the Czech Republic, Hungary, Slovenia, Poland and Russia where by it may form mass growth in lowlands, disturbed regions, and riparian biomes on calcareous soils.
Heartwood of Acer negundo with crimson stain While its gentle, close-grained, delicate Wooden is taken into account unwanted for many business makes use of, this tree has been considered as a supply of Wooden fiber, for use in fiberboard.
The shoots are eco-friendly, normally having a whitish to pink or violet waxy coating when young. Branches are smooth, relatively brittle, and tend to retain a refreshing green color as opposed to forming a bark of useless, protecting tissue. The bark on its trunks is pale grey or light-weight brown, deeply cleft into wide ridges, read more and scaly.[six]
'Variegatum' cultivar with white-margined leaves Whilst its weak wood, irregular variety, and prolific seeding may well help it become seem to be a weak option for a landscape tree, A.
expanding as being a weed in pavement crack in Russia Acer negundo is indigenous throughout A great deal of The us (mostly while in the east)[7] and south-central copyright, and can be found as much south as Guatemala.
Some authors even more subdivide A. negundo subsp. negundo into quite a few regional kinds but these intergrade and their maintenance as unique taxa is disputed by quite a few. Even the dissimilarities amongst acknowledged subspecies are probably a matter of gradient speciation.[citation required]
This species prefers brilliant sunlight. It usually grows on flood plains as well as other disturbed spots with enough drinking water offer, which include riparian habitats.[seventeen] Human affect has greatly favored this species; it grows around residences and in hedges, along with on disturbed ground and vacant plenty.
The wood has been used for a variety of functions by indigenous People in america, such as via the Navajo to generate tubes for bellows,[twenty five] by the Cheyenne to create bowls,[26] and because of the indigenous peoples of Montana who use the massive trunk burls or knots to help make bowls, dishes, drums, and pipe stems.[27] The Tewa make use of the twigs as pipe stems[28] along with the Keres make the twigs into prayer sticks.[29]
as a result of its leaflets' superficial similarity to those of poison ivy, Acer negundo saplings are sometimes mistaken for the allergenic plant. While the two poison ivy and Acer negundo have compound leaves composed of 3 leaflets with ragged edges, Acer negundo displays an reverse branching sample, as opposed to the alternating pattern of poison ivy.