These trees make mahogany wood.
They grow in warm places. Some have fruit that hangs up. People call them sky fruit.
This wood is very special. Can you find a mahogany tree?
These trees make mahogany wood.
They grow in warm lands. Some live in Florida. Others live in Mexico.
The trees can grow very tall. Their leaves have small parts. The fruit can look like a pear. Some fruit hangs up. People call it sky fruit. The seeds have wings.
A moth can hurt the trees. It kills the top part. This makes the tree grow many branches. These trees are very special.
Swietenia trees are famous for making mahogany wood.
These trees grow in warm places. They live in Florida, Mexico, and Central America. Some also grow in Bolivia.
These trees can be very big. They grow 20 to 45 meters tall. Their leaves have small parts called leaflets. The fruit looks like a pear. It is a capsule with five parts. Inside are many seeds with wings.
One kind of fruit hangs upward. People call this "sky fruit."
Many people want this wood. Because of this, rules protect the trees. One group of rules is called CITES. These rules help stop illegal wood trade. In some places, people grow trees in plantations. Fiji and India are big exporters. A moth can cause problems for these trees. The mahogany shoot borer is a type of moth. It kills the top of the tree. This makes the tree grow too many branches. This makes it hard to grow the trees for wood.
Swietenia trees are famous for making mahogany wood.
This wood is very valuable to people. These trees grow in the Neotropics. This includes southern Florida and the Caribbean. They also live in Mexico and Central America. Some grow as far south as Bolivia.
The genus is named after Gerard van Swieten. He was a doctor from the 1700s. These trees are part of the chinaberry family. They can grow to be quite large. Most reach heights of 20 to 45 meters.
Growing these trees involves many parts. The leaves are 10 to 30 cm long. They have three to six pairs of leaflets. These leaflets are 5 to 15 cm long. The flowers are small and grow in loose groups. They have five white or greenish-yellow petals. The fruit is a pear-shaped capsule. It is 8 to 20 cm long. Inside the fruit are many winged seeds. These seeds are about 5 to 9 cm long.
The leaves may fall before new ones grow.
History shows how the wood trade changed. At first, people used Swietenia mahagoni from the Caribbean. This species was used so much that trade ended by the 1950s. Now, most mahogany comes from Swietenia macrophylla. This is a mainland species. In the late 1990s, rules restricted wood from native locations. To help, people moved the trees to Asian countries.
Fiji and India are now the largest exporters of plantation mahogany. Wild mahogany is still not available for trade.
Growing mahogany can be a hard job. A moth called the mahogany shoot borer causes trouble. This moth is also called the cedar tip moth. It kills the top shoot of the tree. This causes the tree to grow too many branches.
Because of this, growing trees in Central America is not very common. Farmers must use pesticides to control the moths. This makes the trees hard to grow for profit. Some people also use the "sky fruit" from Swietenia macrophylla. This fruit hangs upward from the tree. It is sold as a remedy for skin and blood.
Rules help keep these trees safe today. All Swietenia species are on a list called CITES. This means wood needs special paperwork to cross borders. Groups like Greenpeace help watch for illegal wood trade. They look for wood taken from places like Brazil.
You might also see wood called African mahogany. This comes from a different group called Khaya. It is in the same family as Swietenia. It is a comparable wood used by many people.
The genus *Swietenia* consists of several species of trees within the Meliaceae family. This family is commonly known as the chinaberry family. These trees are globally famous for producing mahogany wood. This timber is highly valued for its quality and appearance.
The genus is named after Gerard van Swieten. He was a Dutch-Austrian physician who lived from 1700 to 1772. Today, these trees serve as a major source of high-end timber for many industries.
*Swietenia* trees are medium-sized to large plants. They can reach heights of 20 to 45 meters. Their trunks can also grow quite wide. The leaves are pinnate, which means they have leaflets arranged along a central stem. These leaves measure 10 to 30 cm in length. They usually have three to six pairs of leaflets. Each individual leaflet is between 5 and 15 cm long. The trees are deciduous or semi-evergreen. This means the leaves may fall off shortly before new foliage grows.
Reproduction in these trees involves specific structures. The flowers grow in loose clusters called inflorescences. Each small flower has five petals that are white or greenish-yellow. After flowering, the tree produces a fruit called a capsule. This capsule is pear-shaped and has five valves. It measures between 8 and 20 cm long. Inside the capsule are many winged seeds. These seeds are about 5 to 9 cm long.
Because the species hybridize freely when grown close together, they are difficult to define biologically.
Scientists generally recognize three distinct species based on their locations. *Swietenia mahagoni*, known as West Indian mahogany, grows in southern Florida, Cuba, Jamaica, and Hispaniola.
*Swietenia humilis*, or Pacific Coast mahogany, is found along the Pacific coast of Mexico and Central America.
Finally, *Swietenia macrophylla*, known as Honduran mahogany, grows along the Atlantic coast of Central and South America down to Bolivia.
This species is the primary source of most mahogany used today.
The history of the mahogany trade has changed significantly. In the past, *Swietenia mahagoni* was the main source of timber. However, it was exported so extensively that its trade ended by the 1950s. In the late 1990s, many native locations faced restrictions. To ensure a steady supply, the genus was introduced to various Asian countries. Today, Fiji and India are the largest exporters of plantation-grown mahogany.
Trade in mahogany grown in these non-native Asian plantations is not restricted.
Growing *Swietenia* in certain areas is difficult due to biological pests. The mahogany shoot borer moth, or *Hypsipyla grandella*, is a major problem. This moth is also called the cedar tip moth. It attacks the tree by killing the terminal shoot, which is the very top growing point. This causes the tree to develop excessive branching instead of a straight trunk.
Because of this, growing plantations in Central America is not very common. Farmers must use frequent pesticide sprays to control the moths. This makes large-scale production relatively uneconomic in those regions.
There are also interesting uses and conservation efforts related to these trees. The fruit of *Swietenia macrophylla* is called "sky fruit" because it appears to hang upward. Some people use a concentrate from this fruit as a natural remedy for skin and blood circulation. On a global scale, all *Swietenia* species are listed by CITES. This means any timber crossing an international border requires specific paperwork. Environmental groups like Greenpeace and the Rainforest Action Network monitor the trade. They work to expose illegal logging, especially from places like Brazil.
Finally, it is helpful to understand how *Swietenia* relates to other woods. Some people use wood from the African genus *Khaya* as a substitute. This is known as African mahogany. Although it is a different genus, it belongs to the same Meliaceae family. This shows how different parts of the world produce similar types of useful timber through related biological systems.
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