We already know that narra is our National tree.
Narra Tree is one of the largest trees in the world grown for its superior quality wood. It is native to Southeast Asia, Northern Australia and Western Pacific Islands. Though it is found in different parts of the world, IUCN has listed it as an endangered plant. It is extinct in Vietnam, Srilanka and Peninsular Malaysia whereas there is need of government permission to cut this tree in the Philippines. This tree was declared as the national tree of the Philippines in 1934 by Governor-General Frank Murphy of the Insular Government of the Philippine Islands. It was made the national tree of the Philippines because it symbolises people’s strength and power.
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The scientific name of the tree is Pterocarpus indicus. Apart from this, Narra Tree is known by several other names in different parts of the world.
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The flowers of Narra Tree are axillary. Inflorescence is raceme. The flowers occur in buch. They are yellow in colour with an orange tint. Flowering season ranges from February to May. They have a sweet fragrance and are showy in nature. The length of the flowers is 1.5 cm. The flowers attract lots of bees which ultimately contributes to the formation of honey. Young flowers are edible.
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The leaves come in an alternate pattern which contains small hairs on one or both sides. Leaves are compound pinnate with (9-12) leaflets. They are large ovate to elliptical in shape with an acuminate tip. Leaves are (15-22) cm long and (25-35) cm wide. Young leaves are also edible.
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The Narra Tree contains small fruits which are covered by membranous wings(Pod) of (4-6) cm in diameter. The Pod is disc shaped which is hairy when young and later turns to smooth. In the center part of the fruit, there may be one or two monocotyledonous seeds. The fruit ripens at the age of (4-6) years and it turns to purple when dried.
•Trunk
Narra Tree has a medium sized trunk with 2 m diameter. The trunk is covered with rough and scaly bark. The base of the trunk has more diameter and tapers as it goes upward.
•Roots
The Narra Tree has fibrous roots which spread to a large area. As the fibrous roots expand to a large area, It prevents soil erosion.