Question

explain subaerial stem

Answer 1

SUB AERIAL STEM MODIFICATIONS:Stems present partly aerial and partly underground is called SUB AERIAL STEMS.These are found in some weak stemmed plants.These are specialised for vegetative propagation.The sub aerial stem modifications are four types

Answer 2

↪ answer : 

Subaerial stems are the stems that do not rise up but grow just above the ground. As a type of asexual propagation, these subaerial stolons, also called runners, often develop roots and leaves from their nodes. Some pond plants have subaerial leaves as well as submerged leaves (water plantain, flowering rush).