Kadam is an evergreen,tropical tree native to south and. Southeast Asia.The genus name "Lamarckia" is derived from the name of French naturalist. Jean-Baptiste lamarck.

The Kadam tree grows up to 45 m high. The trunk has a diameter of 100-160 cm, but typically less than that. Leaves are 13-32 cm long. Flowering usually begins when the tree is 4–5 years old. Kadam flower are red to orange, occurring in dense, globe-like heads of approximately 55 cm. The fruit of N. cadamba occur in small, fleshy capsules packed closely together to form a fleshy yellow-orange infructescence containing approximately 8000 seeds. On maturing, the fruit splits apart, releasing the seeds, which are then dispersed by wind or rain.

lamarckia is native to the following areas:

• Indian subcontienent:India,Nepal srilanka.
• Asia;Cambodia;Laos.myanmar.Thailand.vietnam.Indonesia.Malaysia.Papua New guinea southest.

N. lamarckia is grown as an,ornamental, and for low-grade timber and paper. There exist some traditional uses as a medicine. The caterpillars of the commander(Limenitis procris), a Brush-footed Butterfly,utilize this species as a foodplant.