Common Name: Silk Cotton Tree
Scientific Name: Bombax ceiba
Family: Malvaceae
Nepali Name: Simal ( सिमल )
Size: 20-60m (height) 
Location: Dhading Besi, Dhading

Flowers of this deciduous tree bloom in spring and have very attractive red flowers on a leafless branch. The seeds of this tree are covered with white floss which are used by people to stuff pillows. These trees are found in lowlands. 

Please feel free to comment below if the above species has been misidentified.