Erysimum cheiranthoides, commonly known as wormseed wallflower or treacle mustard, is a vibrant yellow flowering plant that is often found in meadows and grasslands. Synonyms for Erysimum cheiranthoides include Cheiranthus cheiranthoides, Cheiranthus allionii and Erysimum allionii. Wormseed wallflower has been used for medicinal purposes due to its anti-bacterial and anti-inflammatory properties. It has also been known to attract pollinators like bees and butterflies, making it a popular addition to gardens. Wormseed wallflower is a hardy plant that can tolerate a range of soil conditions and climates, making it an ideal choice for gardeners looking for low maintenance, visually appealing plants.