Aristolochia indica is a creeper plant found in Southern India and also Sri Lanka. This plant is critical to the survival of the southern birdwing and common birdwing It reaches a height of several metres on trees and cover the branches with thick foliage. It is commonly found in forest floor, rocky hillslopes. It flowers once a year to produce seeds. It can also be propagated by roots. The plant has a number of historical medicinal uses. This plant contains aristolochic acid is a rodent carcinogen found in Aristolochia and Asarum, both in the Aristolochiaceae family of plants. Aristolochic acid is composed of an about 1:1 mixture of two forms, aristolochic acid I and aristolochic acid II.