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Acer interius - Britton.
                 
Common Name Box Elder
Family Aceraceae
USDA hardiness Coming soon
Known Hazards None known
Habitats Riversides[204].
Range Northern N. America - Kansas, Nebraska and the Rocky Mountains.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Moist Soil Semi-shade Full sun

Summary

Acer interius Box Elder


Acer interius Box Elder
   
Physical Characteristics
 icon of manicon of lolypop
Acer interius is a deciduous Tree growing to 20 m (65ft 7in). It is in flower in April. The flowers are dioecious (individual flowers are either male or female, but only one sex is to be found on any one plant so both male and female plants must be grown if seed is required)The plant is not self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in heavy clay soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

Synonyms
A. negundo interius. (Britt.)Sarg. Negundo aceroides
Habitats
Woodland Garden Canopy;
Edible Uses
Edible Parts: Sap.
Edible Uses: Sweetener.

The sap contains a certain amount of sugar and can either be used as a drink, or can be concentrated into a syrup by boiling off the water[105, 161, 177]. The syrup is used as a sweetener on many foods. The concentration of sugar is considerably lower than in the sugar maples (A. saccharum). The tree trunk is tapped in the early spring, the sap flowing better on warm sunny days following a frost. The best sap production comes from cold-winter areas with continental climates.
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.



None known
Other Uses
Preservative.

The leaves are packed around apples, rootcrops etc to help preserve them[18, 20]. The wood is soft and weak, weighing about 27lb per cubic foot[235].
Cultivation details
We have very little information on this species, though judging by its native range it should be hardy in many parts of Britain. It is closely related to A. negundo and, like that species, is probably dioecious[235]. Some authorities see this plant as no more than a sub-species of A. negundo[257]. The following notes are based on the general needs of the genus. Of easy cultivation, it prefers a good moist well-drained soil[11], preferring a sunny position but tolerating some shade[11, 200]. Grows well in heavy clay soils. Chlorosis can sometimes develop as a result of iron deficiency when the plants are grown in alkaline soils, but in general maples are not fussy as to soil pH. Most maples are bad companion plants, inhibiting the growth of nearby plants[18, 20].
Propagation
Seed - best sown as soon as it is ripe in a cold frame, it usually germinates in the following spring. Pre-soak stored seed for 24 hours and then stratify for 2 - 4 months at 1 - 8°c. It can be slow to germinate. The seed can be harvested 'green' (when it has fully developed but before it has dried and produced any germination inhibitors) and sown immediately. It should germinate in late winter. If the seed is harvested too soon it will produce very weak plants or no plants at all[80, 113]. When large enough to handle, prick the seedlings out into individual pots and grow them on until they are 20cm or more tall before planting them out in their permanent positions. Layering, which takes about 12 months, is successful with most species in this genus. Cuttings of young shoots in June or July. The cuttings should have 2 - 3 pairs of leaves, plus one pair of buds at the base. Remove a very thin slice of bark at the base of the cutting, rooting is improved if a rooting hormone is used. The rooted cuttings must show new growth during the summer before being potted up otherwise they are unlikely to survive the winter. The cuttings of this species usually root easily. Budding onto A. negundo in early summer usually works well. The bud should develop a small shoot in the summer otherwise it is unlikely to survive the winter.
Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status
IUCN Red List of Threatened Plants Status :
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Acer acuminatum 10
Acer argutum 20
Acer caesium 01
Acer campestreField Maple, Hedge maple21
Acer carpinifoliumHornbeam Maple20
Acer circinatumVine Maple21
Acer crataegifoliumHawthorn-Leaved Maple00
Acer distylum 20
Acer ginnalaAmur Maple10
Acer glabrumRock Maple, Rocky Mountain maple, Douglas maple, Greene's maple, New Mexico maple, Torrey maple21
Acer macrophyllumOregon Maple, Bigleaf maple, Oregon Maple31
Acer monoMaple21
Acer negundoBox Elder31
Acer oblongum 00
Acer palmatumJapanese Maple20
Acer pectinatumMaple00
Acer pensylvanicumMoosewood, Striped maple, Moosewood, Pennsylvania Maple01
Acer platanoidesNorway Maple, Harlequin Maple20
Acer pseudoplatanusSycamore, Great Maple, Scottish Maple, Planetree Maple21
Acer rubrumRed Maple, Drummond's maple, Swamp Maple31
Acer saccharinumSilver Maple, River Maple, Soft Maple31
Acer saccharumSugar Maple, Florida Maple, Hard Maple, Rock Maple42
Acer saccharum grandidentatumBig-Tooth Maple, Canyon Maple, Rocky Mountain Sugar Maple40
Acer saccharum nigrumBlack Maple41
Acer spicatumMountain Maple22
Acer sterculiaceum 00
Acer tataricumTatarian Maple20
Acer truncatumShantung Maple, Purpleblow Maple10
Acer ukurunduense caudatum 10
12
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Expert comment
 
Author
Britton.
Botanical References
204235
Links / References
For a list of references used on this page please go here
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