👉 Sisymbrium is a genus of flowering plants in the family Amaryllidaceae, commonly known as blueberry bushes or siskins. It is native to North America and grows up to 12 feet tall. The leaves are usually serrated and have a smooth surface, while the flowers are arranged in clusters on stems that reach up to 50 inches long. Sisymbrium is often used for its edible berries as well as its medicinal properties.