The young shoot of a plant embryo above the cotyledons, consisting of the epicotyl and often immature leaves is the plumule. It is the future shoot.
Part of a seed embryo that develops into the shoot, bearing the first true leaves of a plant.
In most seeds, for example, the sunflower, the plumule is a small conical structure without any leaf structure.
The growth of the plumule does not occur until the cotyledons have grown above ground.
