블루버베인

https://www.google.com/search?q=%EB%B8%94%EB%A3%A8%EB%B2%84%EB%B2%A0%EC%9D%B8&sca_esv=44f27cba552c4951&udm=2&ei=AiyCaPmDM8fl2roP-vmt4QM&ved=0ahUKEwj5jLmgxNWOAxXHslYBHfp8KzwQ4dUDCBE&uact=5&oq=%EB%B8%94%EB%A3%A8%EB%B2%84%EB%B2%A0%EC%9D%B8&gs_lp=EgNpbWciD-u4lOujqOuyhOuyoOyduDIFEAAYgARI8SVQAFjHJHAJeACQAQCYAXygAbsOqgEEMi4xNbgBA8gBAPgBAZgCGKACkg-oAgDCAgcQABiABBgKwgILEAAYgAQYsQMYgwHCAggQABiABBixA8ICBBAAGAPCAgoQABiABBixAxgKwgIGEAAYBRgemAMBkgcEOC4xNqAHwUGyBwQxLjE2uAf-DsIHBjEuOS4xNMgHSg&sclient=img Blue vervain

Verbena hastata, commonly known as American vervain, blue vervain, simpler's joy, or swamp verbena, is a perennial flowering plant in the vervain family Verbenaceae. It grows throughout the continental United States and in much of southern Canada.

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