Final answer:
The synonym for digitalis is foxglove, which is a plant used for its medicinal properties, especially for heart-related conditions.
Step-by-step explanation:
The synonym for digitalis is foxglove. Digitalis is a common name for the group of medications derived from the foxglove plant, which is scientifically known as Digitalis purpurea.
The plant itself is recognized for its tall spikes of tubular flowers that can range in color and is used medicinally for its heart-regulating properties.