Trees
Jacaranda ovalifolia D. Don.
Jacaranda ovalifolia D. Don.
Description :
A
small sized deciduous tree (may appear to be evergreen at lower elevations).
Heights of 12 m are not uncommon. Leaves are compound, 25 cm long. Usually
there are 15 to 20 paired leaflets per leaf. The bark is creamy brown, furrowed
vertically and cracked horizontally into narrow scales. The bell-like flowers
are blue violet and have a fragrance of honey. The flowers occur in dense
clusters in March but may flower more than once a year. The fruit is a large
capsule, or pod 7.6 to 5 cm long, oval which contains numerous seed. Pods may
hang on the tree for 2 years. The fruit may mature twice a year. It is
susceptible to mealy bug infestations. It can be reproduced from seed. The seed
is viable only for one year. It grows approximately 1m in height every year. Because
of its large flowers it has some value as a landscape ornamental. Its wood has
twisted grains with off white colour and resilient strength.
Distribution :
The
tree is native to Central and South America and has been cultivated in tropical
Africa, Asia and the Mediterranean. It is planted as an ornamental in Pakistan.
An intolerant tree that requires full sunlight to develop to a mature tree. It
grows well in moist situations on deep soils that are well drained. It requires
a precipitation zone of at least 800 mm/yr. It prefers a sub-humid, tropical
climate with a temperature range of 5 to 40°C but is frost hardy.
Uses :
Fuel, and ornamental.