Axillary bud

Definition

An axillary bud is a small, undeveloped shoot located in the angle between the stem and a leaf. It has the potential to form a branch or flower, contributing to plant growth and reproduction.

5 Must Know Facts For Your Next Test

1. Axillary buds are typically found at the nodes of stems, specifically where leaves attach.
2. These buds can remain dormant or develop into lateral branches under certain conditions.
3. The growth of axillary buds is often regulated by hormones such as auxins and cytokinins.
4. Environmental factors like light and nutrient availability can influence whether an axillary bud will grow.
5. Axillary buds play a crucial role in vegetative propagation, allowing plants to reproduce asexually.

Review Questions

Related terms

Node:

A point on the stem where leaves or branches originate.

Auxin: A plant hormone that promotes cell elongation and inhibits the growth of axillary buds.

Cytokinin: A plant hormone that promotes cell division and can stimulate the growth of axillary buds.