About Ludwigia Peruviana:
- It is popularly called primrose willow, Ludwigia Peruviana, is a native of Central and South America.
- Its flower is pale yellowish in colour and the plant grows to a height of about 12 feet.
- It is an aquatic plant, which is now challenging the existence of local vegetation in various swampy areas around the world.
- The rapid large-scale spread of the weed — which was probably introduced as an ornamental plant for its tiny yellow flowers.
- It grows faster in wetlands than other harmful weeds.
- The pre-monsoon temperature and monsoon rains help this weed grow faster.
- It has shaken the balance of these perennial foraging grounds, limiting the growth of grass and native plants that are palatable to elephants and other animals including gaur.
- It is among the 22 priority invasive plants in Tamil Nadu.
- Unlike other invasive plants, Ludwigia poses a unique challenge as it grows in swamps and there is little scope to use machinery which may further destroy the ecosystem.
- Even if Ludwigia is pulled out manually, the soft plant easily breaks and it spreads again from the root or broken stems that fall in the swamp.
Q1) What is an ornamental plant?
An ornamental plant is a type of plant that is cultivated and grown for its decorative qualities, rather than for any practical use like food or medicinal purposes. These plants are primarily chosen for their attractive appearance, unique foliage, and beautiful flowers.
Source: Invasive weed threatens elephant habitats in Tamil Nadu
Last updated on November, 2025
→ Check out the latest UPSC Syllabus 2026 here.
→ Join Vajiram & Ravi’s Interview Guidance Programme for expert help to crack your final UPSC stage.
→ UPSC Mains Result 2025 is now out.
→ UPSC Notification 2026 is scheduled to be released on January 14, 2026.
→ UPSC Calendar 2026 is released on 15th May, 2025.
→ The UPSC Vacancy 2025 were released 1129, out of which 979 were for UPSC CSE and remaining 150 are for UPSC IFoS.
→ UPSC Prelims 2026 will be conducted on 24th May, 2026 & UPSC Mains 2026 will be conducted on 21st August 2026.
→ The UPSC Selection Process is of 3 stages-Prelims, Mains and Interview.
→ UPSC Result 2024 is released with latest UPSC Marksheet 2024. Check Now!
→ UPSC Prelims Result 2025 is out now for the CSE held on 25 May 2025.
→ UPSC Toppers List 2024 is released now. Shakti Dubey is UPSC AIR 1 2024 Topper.
→ UPSC Prelims Question Paper 2025 and Unofficial Prelims Answer Key 2025 are available now.
→ UPSC Mains Question Paper 2025 is out for Essay, GS 1, 2, 3 & GS 4.
→ UPSC Mains Indian Language Question Paper 2025 is now out.
→ UPSC Mains Optional Question Paper 2025 is now out.
→ Also check Best IAS Coaching in Delhi


