Juglans ailantifolia

Juglans ailantifolia, also known as the Japanese Walnut, is a species of walnut native to Japan and Sakhalin. It is a deciduous tree that can grow up to 20 meters tall. The tree is known for its large, compound leaves and edible nuts.

Description

The Juglans ailantifolia tree has a broad crown and a straight trunk. The bark is gray and smooth, becoming fissured with age. The leaves are pinnate, with 11-17 leaflets, each leaflet 7-16 cm long and 3-5 cm broad. The flowers are catkins, produced in late spring. The fruit is a nut, produced in clusters of two to five together; the nut is spherical, 3-5 cm diameter, surrounded by a green husk before maturity in mid-autumn.

Distribution and habitat

Juglans ailantifolia is native to Japan and Sakhalin. It is found in mixed broadleaf forests at altitudes of up to 1500 meters. The tree prefers well-drained soil and can grow in both full sun and partial shade.

Uses

The nuts of Juglans ailantifolia are edible and are used in a variety of culinary applications in Japan. The wood of the tree is also used in furniture making and other woodworking projects.

Cultivation

Juglans ailantifolia is cultivated as an ornamental tree for its attractive foliage and edible nuts. It is also used in forestry for timber and nut production. The tree is relatively easy to grow, but it requires a lot of space due to its large size.

Conservation

While Juglans ailantifolia is not currently considered threatened, its habitat is being reduced due to deforestation and urbanization. Conservation efforts are focused on preserving its native habitats and promoting sustainable harvesting practices.

See also

• List of Juglans species
• Walnut

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  Juglans ailantifolia

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  Juglans ailantifolia herbarium sheet

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