Question

A plant which has a horizontal underground stem is​

Answer 1

Answer: Rhizome -also known as a creeping rootstock

Explanation: these plants stems are horizontal because they survive an annual unfavorable season

Answer 2

Answer:

A plant which has a horizontal underground stem is a Rizome.

WHAT IS A RIZOME?

Rhizome, also called creeping rootstalk, horizontal underground plant stem capable of producing the shoot and root systems of a new plant. Rhizomes are used to store starches and proteins and enable plants to perennate (survive an annual unfavourable season) underground.