• Scientific Name: Citrus aurantium
• Common Names: Naarthangai (Tamil), Bitter Orange, Indian Bitter Orange, Sour Orange, Kagzi Nimbu (in some regions), Seville Orange (another bitter variety used for marmalade).
• Family: Rutaceae (Citrus family)

Plant Description:

1. Size and Shape:
   • The Naarthangai plant is a small tree or shrub that grows to a height of about 10-20 feet. It has spiny branches and dark green leaves.
   • The fruit is typically orange or yellow when ripe, about the size of a small orange or lime, with a rough, bumpy skin.