noun
- the embryonic shoot of a seed plant that develops into the stem and leaves
Usage: botanical term
Examples
- The plumule emerges from the seed during germination.
- Botanists study how the plumule develops into the plant’s shoot system.
- The plumule grows upward while the radicle grows downward.
- In bean seeds, the plumule is clearly visible between the cotyledons.
- The plumule contains the future leaves and stem of the plant.
- Students examined the plumule under a microscope in biology class.