Which among the following pairs is/are correct? S. No Endangered/Rare Plant Species State 1. The Indian Mellow Tamil Nadu 2. Umbrella Tree Andhra Pradesh 3. Assam Catkin Yew Assam 4. Spider Wort Madhya Pradesh

The correct answer is 1 and 4 only . The International Union for Conservation of Nature’s Red List of Threatened Species was established in 1964. It provides the world's most comprehensive information source on the global extinction risk status of animal, fungus and plant species. The IUCN Red List is a critical indicator of the health of the world’s biodiversity. Key Points The India Mellow (Rare) Botanical name-Abutilon indicum State- Tamil Nadu It is often used as a medicinal plant and is considered invasive on certain tropical islands. Umbrella Tree (Rare) Botanical name – Acacia Planifrons State- Tamil Nadu Assam Catkin Yew (Threatened) Botanical name- Amentotaxus assamica State- Arunachal Pradesh It is a shrubby evergreen, coniferous species of tree. Spider Wort (Rare and endangered) Botanical name- Belosynapsis vivipara State- Madhya Pradesh Additional Information The IUCN Red List is used by government agencies, wildlife departments, and conservation-related organisations. It provides information about a range, population size, habitat and ecology, use and/or trade, threats, and conservation actions that will help inform necessary conservation decisions. In descending order of threat, the IUCN Red List threat categories are as follows:- Extinct or Extinct in the Wild Critically Endangered, Endangered and Vulnerable: species threatened with global extinction Near Threatened: species close to the threatened thresholds or that would be threatened without ongoing conservation measures Least Concern: species evaluated with a lower risk of extinction Data Deficient: no assessment because of insufficient data.