red maple - Sapindaceae Acer rubrum

Foliage

red maple Foliage

Bark

red maple Bark

Flower

red maple Flower

Form

red maple Form
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Taxonomy

FamilySapindaceae
GenusAcer
Speciesrubrum
Common Namered maple
iTree CodeACRU

Plant Form

FormTree: rounded or oval crown
Height65 feet
Spread30 feet
DeciduousYes

Identification Description

Foliage3 lobes per leaf (5 possible), each lobe concluding in a point, edges are serrated (irregular), sinuses are relatively shallow and broadLeaf Type Information IconSimple
Needles0
Barksmooth, light gray when young; darker gray, rough and furrowed appearance with thin ridges at maturity
Budred, small (<1/4"), rounded, blunt; flower buds: clustered with hairs at tips of scales; overlapping scales (imbricate)Bud Arrangement Information IconOpposite
Twigsmooth red/brown in current year; then smooth, grey
Floweremerge in spring; yellow/green to red/pink with petals; male and female on same tree (monoecious)
Fruitpaired "helicopters" (samaras); ripening in spring (similar to silver maple)
Fall Colorred

Site Characteristics

USDA Zones   info for zonespH LevelsSalt Tolerance
Min2aMin4.6SoilIntolerant
Max9bMax7.3SprayIntolerant

Shade ToleranceDrought ToleranceAllelopathy
IntermediateModerateNo

Species Status

Nebraska Native
U.S. NativeYes Check
Region of OriginCanada, United States
Previous FamilyAceraceae
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