The Nilgiri tree, also known as the Eucalyptus tree, is a tall, fast-growing evergreen known for its aromatic leaves and distinctive, often peeling bark. Native to Australia, it's widely cultivated in tropical and subtropical regions for its timber, essential oils, and ornamental value. 

Key features of the Nilgiri tree:

Size and Growth:

It's a medium to large tree, capable of reaching impressive heights (up to 60 meters or more in some cases). 

Bark:

The bark is a notable characteristic, often peeling in strips to reveal smooth, colorful patches underneath. 

Leaves:

The leaves are aromatic, typically lanceolate (spear-shaped), and can hang vertically or obliquely. 

Flowers:

Eucalyptus flowers are typically white or cream-colored, often in clusters. 

Fruits:

The fruits are woody capsules containing numerous seeds. 

Adaptability:

Nilgiri trees are known for their adaptability to various soil types and climates, thriving in both dry and wet conditions. 

Uses:

They are valued for timber, pulpwood, essential oils (used in medicine and aromatherapy), and as a source of nectar for bees. 

Native Origin:

While cultivated worldwide, they are native to Australia. 

Other Names:

Besides Nilgiri and Eucalyptus, they are also known as gum trees and safeda.