Jimikand is also known as Ol or Suran in India. It is used as a vegetable in various States of the country, and sometimes also used as a medicine.
If you are looking to know what is Jimikand (जिमीकन्द, जिमीकंद) is known in English, you can use this name apart from the scientific name (Amorphophallus paeoniifolius), which usually becomes very difficult to pronounce for common parlance.