Leafless stem of onion which produces cluster of terminal flowers is called as\tPeduncle\tFloral axis\tScape\tRachis

Hello dear Student
Well correct answer is 3. Scape
when we are talking about Scape, These are the long leafless stalk growing directly from the ground as you can see also in Tulip
Peduncle are present in Agave, Rachis is main axis or shaft on plant for leaves.