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Common Name:

General Information

Albizia chinensis is a fast-growing deciduous tree with a flat, spreading crown; usually growing up to 30 metres tall but with occasional specimens to 43 metres. The bole is usually up to 70cm in diameter, but can be up to 140cm[, ].
The tree is cultivated for its timber and is grown as a shade tree in plantations in many areas of the tropics[]. It is also grown as an ornamental in parks, gardens and along roads[].

Known Hazards

The bark and leaves are toxic to grazing animals[].
The bark has been used as a fish poison[].

Botanical References

,

Range

E. Asia - China, Indian subcontinent, Myanmar, Thailand, Cambodia, Laos, Vietnam, Malaysia and Indonesia.

Habitat

Forests and open fields; sea level to 1,000 metres[]. Mixed deciduous forest in humid tropical and subtropical monsoon climates[]. It occurs in secondary forest, along river banks, and in savannahs at elevations up to 1,800 metres[].

Properties

Weed Potential	Yes
Other Uses Rating
Habit	Deciduous Tree
Height	30.00 m
Growth Rate	Fast
Pollinators	Insects
Cultivation Status	Cultivated, Ornamental, Wild

Cultivation Details

A plant of low to moderate elevations in humid tropical and subtropical monsoon climates. It is found at elevations up to 1,800 metres. It grows best in areas where annual daytime temperatures are within the range 22 - 32°c, but can tolerate 15 - 45°c[]. It can tolerate occasional, short-lived, light frosts[]. It prefers a mean annual rainfall in the range 2,500 - 3,500mm, but tolerates 1,000 - 5,000mm[].
Requires a sunny position[]. The tree is adapted to poor soils, high pH, is fairly salt-tolerant and thrives on lateritic alluvial soil and sandy mining areas[]. Prefers a pH in the range 5.5 - 7.3, tolerating 4.5 - 8.5[].
The tree has proved to be invasive in many of the areas into which it has been introduced[].
Trees tolerate frequent pruning[].
This species has a symbiotic relationship with certain soil bacteria, these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[].

Edible Uses

None known

Medicinal

None known

Agroforestry Uses:

The tree has an extensive root system and is planted for slope stabilization[]. As a fast growing, nitrogen-fixing tree legume, it is planted for soil improvement and remains important in the reforestation of degraded land[].
It is planted as a pioneer species in northern Thailand in reforestation projects to restore native woodland - it is planted in degraded woodland and open areas in a mix with various other species that all have the ability to grow fast; produce dense, weed-suppressing crowns; and attract seed-dispersing wildlife, particularly birds and bats[].
It is used as a shade tree and weed suppressor in tea and coffee plantations, often in a mixture with other trees[]. Shade tolerant herbs are sometimes planted under the trees as well as other crops such as pineapple[].

Other Uses

A gum of low quality is extracted from the bark[]. This has been mixed with other gums and used as an extender[].

The bark contains triterpenes which have spermicidal activity. An extract of the wood has repellent property to subterranean termites[].

The sapwood is white, the heartwood light to dark brown[]. The wood is light in weight, soft and not very durable. It is resistant to termite and other insects attack[]. Its use is limited to house building, light furniture, tea chests and veneers[]. In India, it is used for boat building[].
The tree produces low quality firewood[].

Propagation

Seed - requires pre-treatment. The seed has a hard seedcoat and needs to be scarified to allow water to permeate. This can be done by abrading the seed coat or softening it by soaking it in water. A common method is to pour a small amount of boiling water over the seed, so that the water cools quickly enough not to cook and kill the seed. Then soak the seed in warm water for 12 - 24 hours prior to sowing[]. Seedlings can be transplanted into the field when they are 6 - 8 weeks old[].

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