Read the following passage and answer the following questions.
Pottikkalu is a traditional food of Konaseema of godavari districts.Leaves of jackfruit tree are used in its preparation.They make cups with these leaves and fill them with batter made of black gram and rice rava.These cups are stream to get pottikkalu .They can be taken with any chutney like that of idly.They are healthy and delicious with jack fruit and flavour.
Which leaves are used in the preparation?

Explanation

Jack fruits leaves