Celastrus paniculatus

Celastrus paniculatus is a woody liana commonly known as black oil plant, climbing staff tree, and intellect tree (Sanskrit: "jyotishmati" ज्योतीष्मती, Hindi: "mal-kangani" माल-कांगनी, Chinese: "deng you teng" 灯油藤). This climbing shrub grows throughout India at elevations up to .
"C. paniculatus" is a deciduous vine with stems up to in diameter and long with rough, pale brown exfoliating bark covered densely with small, elongated lenticles. The leaves are simple, broad, and oval, obovate or elliptic in shape, with toothed margins.
Traditional medicine.
Oil from the seeds is used as a traditional medicine in Indian Unani and Ayurvedic medicine.
Poisonous relative.
"Celastrus paniculatus" has a relative that grows in the United States that is poisonous ("Celastrus orbiculatus"), so identifying this plant carefully can be important.