Juglans ailantifolia (Japanese Walnut)


Botanical Information

FamilyJuglandaceae
GenusJuglans
Speciesailantifolia
CategoryWoody
TypeTree (deciduous)
OriginNative to Japan.
Ethnobotanical Uses
Disclaimer
The nuts are edible. The husks are used to make yellowish dye. The wood is used in furniture building.

Details

USDA Hardiness Ref.
Canada Hardiness Ref.
RHS Hardiness ZoneH7
RHS Hardiness Ref.
Height20 m
GrowthSlow

Description and Growing Information

ShapeTall, upright and broad.
CultivationFull sun. Well-drained soil.
Notable SpecimensThe Living Center, Delaware, Ontario, Canada.
HabitatForests and forest edges.
Leaf DescriptionPinnate, 50 - 90 cm long with 11 - 17 leaflets. Each leaflet is 7 - 16 cm long and 3 - 5 cm wide.
Flower DescriptionMale flowers are inconspicuous catkins that are produced in spring when new leaves appear. Female flowers are pistils.
Fruit DescriptionThe fruit is a nut that is produced in bunches of 4 - 10. Spherical, 3 - 5 cm long and wide. Surrounded by a husk before it matures in autumn.
Colour DescriptionThe bark is a light grey colour. The leaves are a yellowish-green. Male flowers are yellowish-green. Females flowers are pinkish-red. The fruit is green.
Texture DescriptionThe bark is ridged or plated.

Photographs