What do walnut trees look like

They typically have a short trunk and broad crown, though can be narrower if grown in a woodland situation.

The bark is smooth and olive-brown when young, developing fissures and fading to silver-grey with age. Twigs are stout, green and curving. Identified in winter by: the unsegmented inside pith, or spongy centre, of the twig. At their base, buds have horseshoe-shaped leaf scars, or marks, left by fallen leaves.

Shiny and pinnate feather-like , with 5—9 paired oval leaflets and one 'terminal' leaflet at the end. Male flowers are drooping yellow-green catkins, 5—10 cm long, and the female flowers appear in clusters of 2—5. Pollinated by wind, female flowers develop into a fruit with a green, fleshy husk and a brown, wrinkled walnut.

The botanical name of the English walnut, Juglans regia , means the 'royal nut of Jupiter'. Black walnut Juglans nigra. Common walnut has fewer leaflets than black walnut and its leaflets are more oval in shape and have smooth, untoothed edges.

It's an A-Z tree guide in your pocket. It prefers well-drained, fertile and alkaline loam and is found in large gardens and parks. The leaves are the foodplant for caterpillars of a number of micro moths, and the nuts are eaten by mammals, including mice and squirrels.

The walnut's botanical name, Juglans , originates in Roman mythology. According to an ancient myth, Jupiter, who was also known as Jove, dined on walnuts when he lived on earth. Walnut was originally grown in the UK for its nuts. Later it was grown for its timber, which is fine with a decorative, wavy grain.

This plant usually branches out near the ground and has a broad rounded crown. The bark is gray to dark brown and develops deep fissures over time. Like most landscape trees, walnuts will grow best if they receive full sun.

However, walnuts have less tolerance for dry conditions than many trees; they need moist but well-drained soil, and they often struggle in regions that receive less than 25 inches of rain each year.

If you live in a dryer area, you'll need to be very diligent about irrigating your walnut tree. Potter, Daniel et al. California Botanical Society , doi Actively scan device characteristics for identification. Use precise geolocation data. Select personalised content. Create a personalised content profile. Measure ad performance. Select basic ads. Create a personalised ads profile. Select personalised ads.

Apply market research to generate audience insights. Measure content performance. Develop and improve products. List of Partners vendors. Warning Walnuts are harmful to many plants. Andean Walnut Juglans neotropica. Arizona Black Walnut Juglans major. Black Walnut Juglans nigra. Butternut Juglans cenerea. Continue to 5 of 11 below. Brazilian Walnut Juglans Australis. California Black Walnut Juglans californica. English Walnut Juglans regia. Northern California Black Walnut Juglans hindsii.

Continue to 9 of 11 below. Japanese Walnut Juglans ailantifolia. Manchurian Walnut Juglans mandshurica. Little Walnut Juglans microcarpa. Featured Video. Growing Tip Like most landscape trees, walnuts will grow best if they receive full sun. Article Sources.

English walnut trees are the primary source of walnuts sold in stores today. The English walnut tree is also called the Persian walnut, Madeira walnut, and Carpathian walnut. Common walnut trees thrive in full sun and grow in zones 5 — 9.

English walnuts Juglans regia look like green tennis balls when they are on the tree. But after falling to the ground, their rough green husks turn from green color to a very dark brown almost black color.

The taste of English walnuts is described as mild and pleasant. You can also eat the whole nut, and pickled walnuts are a delicacy in some parts of Europe.

Walnut tree bark: English walnut trees have deep gray to brown bark with deep, rounded fissures. Compared to butternut and black walnuts, there are fewer leaflets on English walnut trees. English walnuts look like smooth green balls on the tree. The California black walnut tree is an uncommon large, multi-stemmed shrub or small tree with a single trunk.

California walnuts grow to between 20 and 50 ft. These small walnut trees grow in zones 7 — Walnut tree bark: California black walnut trees have thick bark that is a dark gray color. The bark is recognizable with its deep furrows running up and down the trunk. Walnut tree leaves: California black walnut tree leaves are smooth with slight serration along the margins.

Between 11 and 19 elongated leaflets make up the pinnate leaves. Northern California black walnut tree and leaves. The Northern California walnut tree has a single trunk, and the tree grows up to 60 ft. These black walnut trees grow in dry, sunny climates in zones 8 and 9. Walnut tree bark: Northern California black walnuts have dark gray bark with moderate fissuring on the trunk.

There are some small tufts of hair on the leaves. Arizona black walnut is a small walnut tree that grows up to 50 ft. Arizona walnut trees produce small edible nuts. Walnut tree bark: Arizona black walnuts have gray-brown bark with deep furrows and flat-topped ridges. Walnut tree leaves: Like all species of walnuts, Arizona walnut trees have pinnately compound leaves.

Each leaf contains between 9 and 15 leaflets that are pointed and oblong. Arizona black walnut tree produces fruits that look like green balls. The leaves of the tree have green color. Andean walnut trees are slow-growing trees in the genus Juglans.

Andean walnuts grow up to ft. These tropical walnut trees are prized for their high-quality red-colored timber. Other names for this walnut species are Columbian walnut, Ecuadorian walnut, and Cedro negro. Walnut tree bark: The Andean walnut tree has reddish-brown bark that has deep, long grooves. The walnut leaves comprise of pointed oval leaflets.

Japanese walnut trees are similar to butternut trees due to their leaf shape and buttery nuts. These Asian walnut trees grow up to 66 ft. An unusual feature of these walnuts is that the fruits are heart-shaped rather than round or oval. Walnut tree bark: Japanese walnuts have light gray bark with grooves that form a network pattern. Walnut tree leaves: Japanese walnut trees have leaves that are 2 ft.

Also called the Texas black walnut, this small walnut species is a large tree-like shrub. The Texas walnut tree grows to between 10 and 30 ft.

The sun-loving walnut shrub grows in zones 7 — 9. However, its timber and fruit are insignificant and are of little use. Walnut tree bark: The little walnut tree has gray to dark brown bark with deep furrows in indistinct patterns. The Manchurian walnut tree is native to East Asia and is one of the cold hardiest walnut trees.

The fast-growing tall walnut trees are sometimes grown as ornamental trees because their nuts are small and difficult to extract. Walnut tree bark: The Manchurian walnut tree has grayish-brown bark with fissuring common to most walnut tree species. Walnut tree leaves: The pinnately compound leaves of the Manchurian walnut tree have 3 to 9 pairs of leaflets with a single terminal leaf.

Email Pinterest Facebook Twitter Linkedin. Black walnut Juglans nigra tree. Black walnut bark.