Yellow rocket, a wildflower known for its bright yellow petals, has a few synonyms that are used interchangeably. Some of the synonyms for yellow rocket include rocketcress, wintercress, and bittercress. Rocketcress is the most commonly used synonym and is derived from the plant's shape, which resembles a rocket. Wintercress is used to describe the plant's ability to withstand harsh weather conditions in the wintertime. Bittercress is another synonym commonly used, as the plant is known for having a slightly bitter taste. All three synonyms are widely recognized and used in popular literature and botany textbooks.