Haldina cordifolia

The plant species with the scientific name of
Haldina cordifolia is one of the trees that are found in the Udawalawe National Park. The type of this tree is classified as deciduous and accordingly, it loses its leaves in certain seasons. This tree is found in several parts of Sri Lanka, India, Southeast Asia, and Far East Asia. The height of this tree can reach even 100 feet or over 20 metres but most of the trees found in Sri Lanka have not reached this height.

Udawatta Kele Sanctuary, situated near the city of Kandy, is another area that includes the
Haldina cordfolia tree. As it is a flowering plant, botanists are able to identify the tree from its flowers as well. The flowering season is usually from December to March and from June to August. The leaves of this plant is bright green in colour during certain seasons and yellow-brown during other seasons. The bark is brown or grey-brown in colour while its wood is yellow in colour. These trees can be found along foothills as well as on plains. 

The family to which the plant belongs is Rubiaceae and it is the only species of the genus Haldina. Therefore, the plant known as Haldina cordifolia is also referred to as Haldina. Furthermore, certain sources refer to this plant as Aldina cordifolia. In Hindi, this tree is known as "Kadam" and in countries such as India, the wood of the tree is used for constructing furniture.

References
http://www.forestrynepal.org/resources/trees/adina-cordifolia
http://indiabiodiversity.org/species/show/31431
http://www.flowersofindia.net/catalog/slides/Haldu.html