Kosteletzya Virginica is a plant species that belongs to the family of Acanthaceae. It is commonly known by different names, including Seaside Mallow, Seashore Mallow, and Saltmarsh Mallow. The plant is native to North America and thrives in salt marshes, seaside meadows, and in swampy areas. Kosteletzya Virginica can grow up to three feet tall and has pink or white flowers that bloom from July to September. The leaves are thick and leathery, and the stem is hairy and reddish-brown. Some other synonyms for Kosteletzya Virginica include Virginia thistle, Crack Willow Herb, and Lavender Marshmallow.