Adventitious roots
Definition
Adventitious roots are roots that grow from non-root tissues, such as stems or leaves. They often form in response to stress conditions, aiding in the plant's ability to survive and propagate.
5 Must Know Facts For Your Next Test
- Adventitious roots can develop from various parts of the plant like stems, leaves, or old root tissues.
- These roots play a crucial role in vegetative propagation and can help plants recover from damage.
- They are commonly found in monocots like grasses, as well as in many dicots under certain conditions.
- Adventitious rooting is often induced by environmental factors such as flooding, wounding, or hormone treatments.
- Examples include the prop roots of maize and the aerial roots of orchids.
Review Questions
- What are adventitious roots and where do they typically form?
- How do adventitious roots contribute to vegetative propagation?
- Name two examples of plants that commonly have adventitious roots.
"Adventitious roots" appears in:
Study guides (1)
Related terms
Fibrous Roots: A root system characterized by numerous thin roots spreading out from the base of the stem.
Taproot: A large, central root that grows vertically downward with smaller lateral branches.
Root Hairs: Microscopic extensions of root epidermal cells that increase surface area for water and nutrient absorption.
