Category: Greening Sanjeevi Hills

Belonging to the legume family, Vachellia horrida (formerly known as Acacia horrida) is a thorny shrub or small tree. It is commonly found in the surroundings of Rajapalayam, especially in and around Sanjeevi Malai, where the dry and rocky landscape supports hardy vegetation.

Vachellia horrida typically grows 3-8 meters tall and has dark grey or brown bark. One of its most striking features is its long, strong white thorns, which can grow up to 5-8 cm in length. These thorns make the tree extremely effective as a natural protective barrier. The leaves are small, feathery, and bipinnate, while the plant produces small cream-white or yellow round flowers. Its fruits are flat seed pods containing several seeds.

Although native to Africa, the species is now grown in many tropical and semi-arid regions, including parts of India. It thrives in dry climates, prefers full sunlight, and grows well in sandy, rocky, well-drained soils. The tree is highly drought tolerant and shows moderate to fast growth in dry environments. Its ability to grow in poor soils and degraded lands makes Vachellia horrida useful for land restoration and dryland greening projects.