leaf bud
Học thuậtThân thiện
Definition
Noun: A leaf bud is a small, undeveloped or embryonic shoot on a plant, specifically one that will grow into leaves and stems but not flowers. It is typically covered by protective scales and is found at the nodes of a stem or in leaf axils.
Usage
The term "leaf bud" is used in botany and gardening to describe the part of a plant that is the precursor to new leafy growth. It distinguishes vegetative growth (leaves and stems) from reproductive growth (flowers).
Examples
- In spring, the leaf buds on the maple tree began to swell and open.
- The gardener carefully pruned the branch just above a healthy leaf bud.
- You can identify a leaf bud by its typically pointed and narrow shape, unlike the rounder flower bud.
Advanced Usage
- Dormant leaf bud: A leaf bud that is inactive, typically during winter, before resuming growth in favorable conditions.
- The apple tree's dormant leaf buds are protected from frost by tough scales.
- Axillary leaf bud: A leaf bud located in the axil (the angle between the leaf stalk and the stem).
- New branches often sprout from the axillary leaf buds.
Variants and Related Words
- Bud (n): The general term for an undeveloped shoot, which can be a leaf bud, flower bud, or mixed bud.
- Flower bud (n): A bud that develops into a flower or inflorescence.
- Terminal bud (n): A bud located at the tip of a stem.
- Leafing (n/adj): The process of putting forth leaves.
Synonyms
- Vegetative bud
- Foliage bud
Antonyms
- Flower bud
Noun
- a bud from which leaves (but not flowers) develop