Kingdom:Plantae

Phylum: Streptophyta

Class: Equisetopsida

Subclass : Magnoliidae

Order: Sapindales

Family : Simaroubaceae

Genus: Ailanthus

Species :  excelsa

Description:Roxb is one of the medium sized, fast growing tree species within the genus Ailanthus belonging to the family Simaroubaceae. Arid to semi arid region Ailanthus is often found below 1,200 m MSL with a mean annual rainfall of about 500-1900 mm. It grows in broad range of soil types including sandy soils and adapts to drought stress and tolerates a dry season of 4-6 months. In Tamilnadu it is distributed in four agro­climatic zones namely Western zone, North western zone, Cauvery delta zone and Southern zone

uses: It is a versatile tree species with various uses. Its wood is valued for furniture-making and construction, while its leaves and bark are used in traditional medicine to treat fever, skin conditions, and respiratory issues. The tree also provides shade, prevents soil erosion, and serves as a habitat for wildlife. Additionally, its bark and leaves can be used as a natural dye and its tannins for tanning leather, making it a valuable resource for many communities.