Argyreia cuneata

Argyreia cuneata is a perennial climbing shrub which is native to the Indian subcontinent and is related to "Argyreia nervosa".
Common names include purple morning glory, mahalungi, and kallana gida.
Description.
"Argyreia cuneata" is a perennial climbing shrub growing from 150–200 cm. Its stems are covered with soft white hair. The leaves are about 6 centimeters long by 2.5 wide with wedge-shaped bases. The flowers are purple and about 5 cm long. The seeds are brown, about 1 cm long, and elliptically shaped.
Toxicity.
Like those of "Argyreia nervosa", the seeds of "A. cuneata" contain various ergoline alkaloids such as chanoclavines and lysergic acid amides.
Medicinal uses.
The leaves are traditionally used for treatment of diabetes.