Acer palmatum (Japanese Maple)


Botanical Information

FamilySapindaceae (Aceraceae)
GenusAcer
Speciespalmatum
CategoryWoody
TypeTree (deciduous)
OriginJapan, Korea and Taiwan.

Details

USDA Hardiness Zone5 - 8
USDA Hardiness Ref.
Canadian Hardiness Zone4a - 7a
Canada Hardiness Ref.
RHS Hardiness ZoneH5 - H7
RHS Hardiness Ref.
Temperature (°C)(-29) - (-9)
Temperature (°F)(-20) - 15
Height3-15 m
Spread3-8 m
GrowthSlow
Flowering PeriodApril, May

Description and Growing Information

General DescriptionThis species has been placed on the IUCN Red List as least concern and is listed a vulnerable in China.
ShapeHemispherical.
Bark/Stem DescriptionSmooth, greenish-grey or light brown in colour with greyish-green glabrous branchlets.
Flower/Leaf Bud DescriptionConical, purplish-red with 5 pairs of scales.
Leaf DescriptionSuborbicular, thin, 5-7 lanceolate lobes with a cordate to subtruncate base, 3-6x4-8 cm.
Flower DescriptionThe flowers are clustered of 10-20 forming a raceme, individual flowers have 5 reddish purple sepals and 5 pale yellow to pinkish-white petals.
Fruit DescriptionWinged samaras, elliptic-convex, veined nutlets, produced in September.

Photographs