The "Simlo" plant, also known as Semal, Simul, or Red Silk Cotton Tree, is a large, deciduous tree, scientifically named Bombax ceiba. It's characterized by its tall, straight trunk, sometimes covered in prickles, and its bright red, showy flowers that bloom in the spring before the leaves appear. The tree produces cotton-like fibers within its seed pods, which are used for various purposes. 

Key characteristics:

Appearance:

It's a tall tree, reaching up to 40 meters in height, with spreading branches and a trunk that can be covered in conical prickles. 

Flowers:

The flowers are large, bright red, and appear in clusters, often attracting birds and insects. 

Leaves:

The leaves are deciduous, meaning they fall off during the winter, and are palmate, meaning they are divided into leaflets like fingers on a hand. 

Fruits:

The fruits are capsules containing numerous seeds embedded in silky, white fibers, similar to cotton. 

Habitat:

The tree is found in tropical and temperate regions of Asia, Africa, and Australia, often in dry or moist deciduous forests. 

Uses:

The wood is used for various purposes, including plywood, matchboxes, and canoes. The cotton-like fibers are used for stuffing cushions, pillows, and quilts. Various parts of the tree, including the flowers, bark, and gum, are used in traditional medicine for a range of ailments. 

Cultural Significance:

The Semal tree is revered in many cultures, with some considering it a symbol of beauty and cultural significance.