Beautiful evergreen tree of nagakesar grows up to height of 30mt in height, buttressed at base about 90cm in diameter. Pendulous leaves are 8-15cm long and are simple, narrow, lanceolate, opposite and dark grey to dark green in color. Bark of the tree is dark ash grey in color and branches are glabrous and slender. Flowers of the tree are bisexual about 4-7cm in diameter with four white petals and yellow stamen. Fruit is globose to ovoid capsule and fruit capsule contains 1-2 seeds that are dark brown in color. Cotyledon of the seeds is fleshy and oily. Flowering season is between March to July while fruits are seen during October to November. Hard wood of Mesua is dark deep red in color.

It is medium sized evergreen tree upto 13mm tall, often buttressed at the base with the trunk up to 90 cm in diameter.

Leaves: About 3 to 5 inches long, it is simple, narrow, ovate or egg shaped. It is dark green in color, with a whitish underside, the new growing leaves are red in color then slowly they turn into yellow color. Flowers are about 4 to 7.5 cm in diameter with four white petals and center of numerous yellow stamens.

Fruits: Fruits are oblong in shape they are about 2.5 to 5.0 cm long with persistent calyx.

Seeds: Seeds are 1 to 4 in number, dark brown in color, cotyledon is fleshy and oily.