Walnuts
Botanical name: Juglans
Walnuts
Botanical name: Juglans
Description
Walnuts are most often commercially cultivated for the nuts encased in their fruits, but also for timber. The edible nuts can be eaten both raw and in baked goods. The shells are often used in various industrial products, and the wood of walnuts is valued for its use in high-quality furniture making and carving.
Species of Walnuts
Texas black walnut
The texas black walnut (Juglans microcarpa) grows in North America along the streams of Texas, Oklahoma, New Mexico and Kansas. The plant produces nuts and very tiny seeds that are edible.
Andean walnut
Andean walnut is a tall-growing tree. It is a rich producer of tannins that make its fruits, bark, and leaves good sources of colored dyes. Its wood is prized for use in high-quality and decorative carpentry. This tree is increasingly rare in the wild and is classed as “Endangered” on the IUCN red list of threatened species.
Butternut
Butternut (Juglans cinerea) is a species of walnut that is native to America. A deciduous tree that can grow to heights of 18 to 24 m with a rounded wide-spreading canopy. In fall it produces sweet oily butternuts that are delicious to eat. It is susceptible to fungal canker which has threatened the species in forests and natural settings.
Northern california black walnut
Northern california black walnut (Juglans hindsii) is also called the Northern California Black Walnut. The wood of this species is knowns as “Claro Walnut” and is used to manufacture fine furniture like bookcases, tables, and cabinets.
California Black Walnut
The california Black Walnut (Juglans californica) grows naturally only in southern California, though it is cultivated elsewhere as well. It can grow in the form of a tree or shrub. Oftentimes it is cultivated for its rootstock, onto which English Walnut trees can be grafted. It is also becoming a popular ornamental tree, especially in xeriscaping and natural landscaping circles.
Arizona walnut
Juglans major literally means larger walnut. Also known as the arizona walnut, this tree can grow up to 15 m tall and belongs to the black walnut family. This small nut is edible but has a thick shell.
Manchurian walnut
Manchurian walnut (Juglans mandshurica) is a deciduous hardwood tree that can grow as tall as 23 m. Native to Asia it blooms in spring with both male and female flowers. Edible nuts ripen from fall to fall. Squirrels and other small animals feed on the nuts. Thrives in full sun and prefers moist rich soils.
Black walnut
Black walnut (Juglans nigra) is a large riparian zone tree native to North America. It is cultivated for nutritious walnuts and the high-quality dark timber. Juglans nigra produces juglone, a compound that inhibits the growth of other plants in the walnut tree’s proximity, so it may be undesirable near lawns and gardens. It is susceptible to Thousand cankers disease.
English walnut
The english walnut is a large deciduous tree. There are many superstitious beliefs tied to it, one of which originates from the island of Skopelos: people believe that the planter of a walnut tree will die once the english walnut grows tall enough to see the sea.
Japanese walnut
The leaves are pinnate, 50 to 90 cm long, with 11-17 leaflets, each leaflet 7 to 16 cm long and 3 to 5 cm broad. The male flowers are inconspicuous yellow-green catkins produced in spring at the same time as the new leaves appear. The fruit is a nut, produced in bunches of 4-10 together; the nut is spherical, 3 to 5 cm long and broad, surrounded by a green husk before maturity in mid autumn.
Guatemala walnut
Guatemala walnut are most often commercially cultivated for the nuts encased in their fruits, but also for timber. The edible nuts can be eaten both raw and in baked goods. The shells are often used in various industrial products, and the wood of guatemala walnut is valued for its use in high-quality furniture making and carving.
Scientific Classification
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