Maerua oblongifolia

About

Maerua oblongifolia is a low woody bushy under-shrub sometimes scandent to 2–3 meters high, with a thick root stock and thick leaves, and strongly scented flowers, occurring in India, Pakistan, Africa and Saudi Arabia. In Telugu this plant is known as Bhoochakra gadda and also as Bhoochakra dumpa. In kannada its called Bhoo Chakra Gedde ಭೂಚಕ್ರ ಗೆಡ್ಡೆ, In Tamil this plant is called Poomicchakkarai Kizhangu. This is a tuber that naturally grows in areas closer to fountains, especially in hills. Local Tribes and others collect the tubers, which are then sold in many Indian town and cities as a quick street food.

Summary from Wikipedia