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Osage orange facts for kids

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Osage orange
Maclura pomifera2.jpg
Foliage and multiple fruit
Scientific classification
Genus:
Maclura
Species:
pomifera
Synonyms
  • Ioxylon pomiferum Raf.
  • Joxylon pomiferum Raf.
  • Maclura aurantiaca Nutt.
  • Maclura pomifera var. inermis C.K.Schneid.
  • Toxylon aurantiacum (Nutt.) Raf.
  • Toxylon maclura Raf.
  • Toxylon pomiferum Raf.

The Maclura pomifera, commonly known as the Osage orange, is a fascinating small deciduous tree or large shrub. Being deciduous means it loses its leaves every autumn. It usually grows to be about 8 to 15 meters (26 to 50 feet) tall.

Even though it's called "Osage orange," this tree is not related to the oranges we eat. It actually belongs to the mulberry family, called Moraceae. It's known for its bumpy, green-yellow fruit and strong wood.

About the Osage Orange Tree

What is an Osage Orange?

The Osage orange tree is a unique plant. It can grow as a small tree or a large bush. It has shiny, bright green leaves that turn yellow in the fall. The branches often have sharp thorns, especially on younger trees.

Maclura pomifera 002
The bright green leaves of the Osage orange tree.

The bark of a mature Osage orange tree is usually a deep orange-brown color. It can look furrowed or ridged. This tree is very tough and can grow in many different places.

Maclura pomifera 008
The rough bark of a mature Osage orange tree.

Where Does the Osage Orange Grow?

The Osage orange tree is native to a part of North America. Its original home was in the south-central United States. This area includes states like Texas, Oklahoma, and Arkansas.

Maclura pomifera range map
The natural range of the Osage orange tree before European settlement.

However, people have planted it in many other places. It can now be found across much of the United States. It is also grown in other parts of the world. This tree is very good at adapting to different soils and climates.

Its Unique Fruit

One of the most noticeable things about the Osage orange is its fruit. It looks like a bumpy, wrinkled green ball. It can be as big as a grapefruit or even larger. The fruit has a strong, citrusy smell.

Osage orange 1
A mature Osage orange fruit hanging from a branch.

Despite its name, the fruit is not good for humans to eat. It has a milky, sticky sap inside. Most animals also avoid eating the fruit whole. However, some animals, like squirrels, might chew into it to get the seeds.

Osage orange 2
A sliced Osage orange fruit showing its unique texture.

Scientists believe that in the past, large animals like mammoths might have eaten and spread the seeds. These animals are now extinct. This is why the fruit often just falls to the ground and rots.

Bodark fruit burrowed into by animal
An Osage orange fruit with signs of an animal trying to eat its seeds.

Why is it Called Osage Orange?

The name "Osage orange" comes from two parts. "Osage" refers to the Osage Nation. This is a Native American tribe that lived in the tree's native region. They used the tree for many purposes.

The "orange" part of the name comes from the fruit's appearance. It looks somewhat like a large, bumpy green orange. However, as mentioned, it is not a true orange.

Uses of the Osage Orange Tree

The Osage orange tree has been very useful throughout history. Its wood is incredibly strong and durable. It is also very resistant to rot.

Maclura trunk
The bright yellow wood of a newly cut Osage orange tree.

Historical Uses

Native American tribes, including the Osage, used the wood to make bows. These bows were highly valued because of the wood's strength and flexibility. The wood was so good for bows that it was traded across North America.

Pioneers and farmers also found the tree useful. They planted rows of Osage orange trees to create living fences. The thorns on the branches made these fences very effective at keeping livestock in. These "hedgerows" were common before barbed wire became widely available.

Modern Uses

Today, Osage orange trees are still used for hedges and windbreaks. They can help protect fields from strong winds. The wood is also used for fence posts because it lasts a very long time in the ground.

Some people use the wood for woodworking projects. Its bright yellow color can be very attractive. The wood is also used as firewood because it burns very hot.

Life Cycle and Reproduction

The Osage orange tree reproduces using seeds found inside its large fruit. The trees have separate male and female plants. This means one tree will produce pollen, and another tree will produce the fruit.

Maclura pomifera 003
A female inflorescence (flower cluster) of the Osage orange.

The flowers are small and green. Wind carries pollen from the male flowers to the female flowers. After successful pollination, the female trees produce the large, bumpy fruits. These fruits ripen in the fall.

When the fruit falls to the ground, the seeds inside can sprout. This starts the life cycle of a new Osage orange tree.

Images for kids

See also

Kids robot.svg In Spanish: Naranjo de Luisiana para niños

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