Tamil Nadu Targets Eradication of Senna spectabilis by March 2026
In December 2025, Tamil Nadu Forest Department announced that by March 2026, the it aims to completely eradicate Senna spectabilis from all forest divisions, marking one of India’s largest state-led invasive species removal drives.
- The yellow-flowering invasive species has heavily infested forest landscapes in the Nilgiris, Mudumalai and Sathyamangalam within the Western Ghats, forming dense monocultures.
- Senna suppresses native understorey vegetation, increases forest fire risk, and reduces fodder availability for herbivores such as elephants and deer.
- Senna is part of a larger invasive crisis in Tamil Nadu, where 1,77,363 hectares of forest land are affected by invasive plant species.
- The most widespread invasives include ....
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