Trees
Terminalia arjuna (Rox. Ex D.C.) Wight & Arn.
Terminalia arjuna (Rox. Ex D.C.) Wight & Arn.
Description :
A
large evergreen tree 21 to 30 m tall with a diameter of 1 to 2.5 m. It has an
open, spreading crown with drooping branches. The leaves are simple with smooth
margins and are oblong or elliptic 10 to 15 cm long. The truck is buttressed
with pronounced ridges. The bark is thick, pinkish green to grey and peels off
in large thin sheets. The flowers are yellowish white and occur in bunches 3 to
6 cm long between April and May. The fruit is a wood capsule 2.5 to 5 cm long.
The cones mature in May and June. It has no known insect or disease problems. It
can be reproduced both from seed and by vegetative means. It is a fast-growing
tree that can produce yields between 10 and 12 m3/ha/yr. Heights of
5 to 8m have been recorded in a 5 year period. Grains are wavy, coarse and
even-textured. Sapwood is reddish white, and heartwood is brown with streaks.
Wood is hard, heavy and resilient having specific gravity of 0.9 and a
calorific value of 5000 kcal/kg.
Distribution :
The tree is native to the subcontinent. In Pakistan it has been planted
throughout the plains, in gardens and as a roadside tree. A shade tolerant tree
that grows on a variety of moist sites if they are well drained. It will grow
on saline, sodic and waterlogged sites. It requires a precipitation zone of 750
to 3800 mm/yr. It prefers a humid, hot tropical, sub-tropical monsoon climate
with a temperature range of 0 to 45°C on elevations up to 600 m. The tree is
not frost hardy.
Uses :
This
fast-growing tree can grow on waterlogged and saline sites. It is valuable for
fuel and other wood products. It is also useful for erosion control. The leaves
are used for winter fodder and can also be used to feed tasar silkworms. An
excellent farm forestry tree for areas where there are sodic, saline and
waterlogged conditions. Also used for fuel, implements, erosion control,
wheels, spokes and axles, fodder medicinal (bark is an astringent and cardiac
stimulant), timber and ornamental purposes.