The toon tree (Toona ciliata), also called Indian mahogany or red cedar, is a large, fast-growing deciduous timber tree of the mahogany family that is valued for its light, reddish, fragrant wood used in furniture, doors, panelling and plywood. The toon tree grows wild in the forests of the Himalayan foothills, the Western Ghats and northeast India, and it is also widely planted on farms and in plantations across the subcontinent.
The name “Indian mahogany” is a trade nickname, because the toon is a member of the same plant family as true mahogany but belongs to a different genus. This article explains what the toon tree is, where it grows, how its timber is used, why it has become threatened in the wild and what challenges face people who plant it.
| Attribute | Detail |
|---|---|
| Scientific name | Toona ciliata (formerly classified as Cedrela toona) |
| Family | Meliaceae (the mahogany family) |
| Common names | Toon, Indian mahogany, red cedar, Australian red cedar (in Australia) |
| Native range | Indian subcontinent through Southeast Asia to northern Australia |
| Tree height | Commonly 20 to 35 metres, with a tall straight trunk |
| Leaves and flowers | Large compound leaves; small, honey-scented white flowers in hanging clusters |
| Wood colour | Pinkish to reddish-brown, with a pleasant scent |
| Main uses | Furniture, doors, panelling, plywood, boxes, musical instruments and carving |
| Major pest | Toon shoot borer (Hypsipyla robusta) |
Key Takeaways
- The toon tree (Toona ciliata) is a deciduous timber tree of the mahogany family, Meliaceae, and is native to the Indian subcontinent and Southeast Asia.
- Toon wood is pinkish to reddish-brown, lightweight and fragrant, and it is easy to saw, carve and polish, which makes it a favourite for furniture and panelling.
- The toon tree is called Indian mahogany and red cedar only as a trade nickname, since it is neither a true mahogany nor a true cedar.
- The toon shoot borer, a moth called Hypsipyla robusta, attacks the growing tips of young toon trees and is the main obstacle to large-scale plantations.
- Heavy logging of wild trees has led to the toon tree being assessed as a threatened species in parts of its range.
- Toon trees grow quickly in good conditions and are commonly planted on farm boundaries in the northern plains for timber income.
What Is the Toon Tree?
The toon tree is a tall, deciduous broadleaved tree, Toona ciliata, that produces valuable red timber and grows naturally from the Himalayan foothills to northern Australia. In India it is one of the best-known commercial timber species outside teak, sal and rosewood.
The toon has a straight, clean trunk that is often free of branches for a large part of its height, with grey-brown bark that is fissured on mature trees. Its large pinnate leaves, which can reach up to half a metre long, carry many pairs of leaflets, and they turn yellow before the tree sheds them in the cooler dry months. In its natural habitat, a mature toon can grow to well over 30 metres.
Is the Toon Tree the Same as Indian Mahogany and Red Cedar?
Yes, the toon tree is sold as Indian mahogany and red cedar, but these are trade names rather than botanical relationships. The toon is a relative of mahogany because both belong to the family Meliaceae, but true mahogany belongs to the genus Swietenia and is native to the Americas.
The name “cedar” comes from the timber’s pleasant scent, which resembles that of true cedars from the conifer family. In Australia, where Toona ciliata also occurs naturally and was heavily logged in the nineteenth century, it is known as Australian red cedar. The genus Toona was previously included with the American cedar genus Cedrela, so older books may call the Indian toon Cedrela toona. A different species, Toona sinensis, known as the Chinese toon, is grown in China, where its young leaves are eaten as a vegetable; it should not be confused with the Indian species.
Where Does the Toon Tree Grow in India?
The toon tree grows in India in the sub-Himalayan forests, the Western Ghats, the northeast and parts of central and eastern India, usually in moist, fertile valleys and along streams. It prefers deep, well-drained loam with a steady water supply and avoids dry, shallow or waterlogged soils.
Its natural stands are typically found from the plains up to roughly 1,500 metres or more in the hills, in mixed moist deciduous and evergreen forests. Outside the forest, farmers in Uttar Pradesh, Bihar, Punjab, Haryana, Uttarakhand, West Bengal and Assam plant toon on field boundaries, roadsides and homesteads. The tree is also planted as an avenue tree and as a shade tree in tea gardens, where its light, open canopy is useful.
How Does the Toon Tree Look, Flower and Seed?
The toon tree flowers in spring with small, white, honey-scented blossoms that hang in long, loose clusters, and it produces woody capsules that split open to release winged seeds. The flowers attract bees and other insects, and the seeds are carried by the wind.
- Leaves: Large, pinnate, with leaflets in many pairs, slightly hairy on the undersides; new leaves often flush reddish before turning green.
- Flowers: Tiny, white to cream, borne in drooping panicles at the ends of branches, usually in the hot, dry season before the rains.
- Fruit: Oblong, five-valved capsules that turn brown as they mature and open to reveal flat seeds with a thin papery wing at each end.
- Bark: Greyish-brown, fissured and scaly, with a reddish inner layer.
The seeds lose viability fairly quickly, so nurserymen sow them fresh. The flowers, according to traditional accounts, have also been used as a source of dye in parts of India.
What Is Toon Wood Used For?
Toon wood is used mainly for furniture, doors, window frames, panelling, plywood, packing boxes and musical instruments because it is light, attractive and easy to work with hand and power tools. Its straight grain and warm reddish colour take polish and stain well.
| Use | Why toon suits it |
|---|---|
| Furniture and cabinets | Attractive red colour, fine finish and easy shaping |
| Doors, windows and panelling | Stable once seasoned and pleasant to the eye |
| Plywood and veneer | Straight, clean logs that peel well |
| Boxes and tea chests | Light weight and some natural resistance to insects |
| Musical instruments and carving | Workable grain and good tonal properties in small items |
Toon is a medium-density timber, softer than teak or sal, so it is less suitable for heavy outdoor construction. It is also not as durable in contact with the ground as hardwoods such as teak.
How Fast Does the Toon Tree Grow?
The toon tree grows fast, often adding one to two metres of height per year in its early years under good soil and moisture conditions. This quick growth is why the species is attractive to farmers who want a timber crop within a few decades.
Under plantation conditions, a toon tree may be harvested for sawn timber after roughly 20 to 30 years, which is much shorter than the time needed for teak or sal. However, growth varies greatly with site quality, rainfall, spacing and management. Trees grown on poor or dry soil grow slowly and produce lower quality wood. Foresters often prune the lower branches to encourage a long, clean trunk and thin the stand to give each tree space.
Why Is the Toon Shoot Borer a Problem?
The toon shoot borer is a problem because the caterpillar of the moth Hypsipyla robusta tunnels into the growing tip of young trees, killing the leading shoot and causing the tree to fork and grow crooked. A forked trunk produces far less valuable timber than a single straight stem.
The same pest group attacks other trees of the mahogany family, including true mahogany and Spanish cedar, in tropical regions worldwide, and no fully reliable control has been found. Foresters use several approaches to reduce damage:
- Mixing toon with other tree species rather than planting pure blocks.
- Planting under light shade so that young shoots are less exposed.
- Removing and destroying attacked shoots early and pruning to restore a single leader.
- Using planting stock selected for lower susceptibility, and encouraging natural enemies of the moth.
Because of the borer, toon is often more successful as a scattered tree in farm boundaries and mixed plantations than as a large single-species block.
Is the Toon Tree Endangered?
Yes, the toon tree has been assessed as threatened by the International Union for Conservation of Nature (IUCN) because of heavy logging of wild populations and the loss of forest habitat. Historical overharvesting for its valuable red timber has removed many large trees from natural forests.
In Australia, the original stands of red cedar were extensively cut in the 1800s and became scarce. In India, large mature toon trees have become less common in many natural forests. Replanting through farm forestry, forest department nurseries and mixed plantations can reduce pressure on wild trees, although planted trees do not replace the genetic diversity of old natural populations. Legal protection and regulation of felling and timber transit also affect wild toon in different states, so local forest rules should be followed.
What Other Uses and Benefits Does the Toon Tree Have?
The toon tree has other uses as a shade tree, a source of nectar for bees and a plant in traditional medicine, in addition to its importance as timber. These secondary benefits add value for farmers who grow it.
- Shade and agroforestry: The open canopy and deciduous habit allow some sunlight to reach crops below during the cool season, so toon works on farm boundaries and along tea and coffee estates.
- Bee forage: The honey-scented flowers provide nectar and pollen in the pre-monsoon season.
- Traditional medicine: The bark is astringent and has been used in folk medicine for treating diarrhoea and as a tonic; such uses are traditional and have not been confirmed by modern clinical trials.
- Soil and carbon: A mature tree stores carbon in its wood, and its leaf litter returns nutrients to the soil.
How Is the Toon Tree Planted and Managed?
The toon tree is planted from seedlings raised in nurseries from fresh seed or from root and shoot cuttings, usually at the start of the monsoon. Seedlings are transplanted into pits at spacings that depend on whether the tree is grown in a block, along a boundary or as part of an agroforestry system.
Good management includes regular weeding and watering in the first two or three years, protection from grazing animals, and pruning to maintain a straight stem. Farmers who plant toon should also keep a close watch for borer attack during the early rainy season and act quickly. A well-managed toon planting can provide valuable timber, but it requires patience and care, and the final price depends on log size, straightness and local market demand.
What is the role of toon in farm forestry?
Toon plays a useful role in farm forestry because farmers can plant it on field boundaries and wasteland edges and earn timber income without giving up cropland. This system, called agroforestry, combines trees and crops on the same land.
In the northern plains, toon is often planted alongside poplar, eucalyptus and bamboo, and the mix reduces the risk of borer damage and market price swings. Because toon sheds its leaves in the cool season, wheat and other winter crops receive enough light, and the leaf litter enriches the soil. Farmers who sell standing trees or logs to local sawmills and plywood units usually receive better prices for straight, unbranched trunks, which is why pruning and borer control are so important.
How Does Toon Compare With Teak and Sal?
Toon is a lighter, faster-growing and less durable timber than teak or sal, but it is easier to work and quicker to harvest. The comparison below shows why each wood suits different purposes.
| Timber | Scientific name | Growth speed | Durability | Typical use |
|---|---|---|---|---|
| Toon | Toona ciliata | Fast | Moderate | Indoor furniture, panelling, plywood, boxes |
| Teak | Tectona grandis | Moderate | Very high | Shipbuilding, outdoor furniture, high-grade construction |
| Sal | Shorea robusta | Slow to moderate | High | Beams, railway sleepers, heavy construction |
Because toon is a lighter wood, it is usually chosen where appearance and ease of working matter more than strength. A seasoned toon board is stable enough for cabinets and doors, but outdoor use calls for good paint or treatment.
Bottom Line
The toon tree is one of India’s most useful native timber trees, valued for its fast growth and handsome red wood, but it is threatened in the wild and plagued by a shoot-boring moth in plantations. Mixed planting on farms and careful protection of remaining natural stands offer the best way to enjoy its benefits while keeping the species secure.
Frequently Asked Questions
What is the scientific name of the toon tree?
The scientific name of the toon tree is Toona ciliata. It belongs to the mahogany family, Meliaceae, and was formerly classified as Cedrela toona.
Is the toon tree a true mahogany or cedar?
No, the toon tree is neither a true mahogany nor a true cedar. It is a relative of mahogany in the same family, but the names Indian mahogany and red cedar are trade names based on its colour and scent.
What is toon wood used for?
Toon wood is used for furniture, doors, window frames, panelling, plywood, boxes and musical instruments. Its light weight, red colour and easy workability make it popular with carpenters.
How fast does a toon tree grow?
A toon tree grows fast, often one to two metres a year when young in good conditions. Plantation trees may be harvested for timber in roughly 20 to 30 years, depending on soil, rainfall and management.
Why do toon trees grow crooked in plantations?
Toon trees often grow crooked in plantations because the toon shoot borer, Hypsipyla robusta, kills the growing tip of young trees. The tree then produces side shoots, which leads to a forked or bent trunk.
Is the toon tree endangered?
Yes, the toon tree has been assessed as threatened by the IUCN, mainly because of heavy logging of wild trees. Planting on farms and in mixed plantations helps reduce pressure on natural populations.
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