New Delhi, Sept. 1 -- Summary Senna spectabilis, introduced in the 1980s, has spread across the Nilgiri Biosphere Reserve, choking native plants and food sources for wildlife.

Kerala has carried out India's first science-based, community-led eradication in Wayanad, clearing 383 acres of infested forest.

A hand-held uprooting tool designed by a marine engineer made large-scale removal possible.

Scientists warn Senna's invasion has worsened human-wildlife conflict in Wayanad, Bandipur and Mudumalai.

For decades, the golden blooms of Senna spectabilis deceived South India's forests. Introduced from South America in the 1980s, the fast-growing tree was planted for shade, beautification and firewood. Its resemblance to Kerala's beloved sta...