Question

cutting both sides, we plant it,

No fruit or flowers only vines.

What is it?

Answer 1

sugarcane is that substance

Answer 2

Watermelon is a plant species in the family Cucurbitaceae, a vine-like flowering plant originally domesticated in West Africa. It is a highly cultivated fruit worldwide, having more than 1000 varieties. Watermelon is a scrambling and trailing vine in the flowering plant family Cucurbitaceae.